Effects of nuclear pollution
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Nuclear pollution
This presentation covers nuclear pollution from nuclear power and reactions. It discusses sources of ionizing radiation including natural sources like cosmic rays and terrestrial radiation, as well as man-made sources such as nuclear weapon testing, uranium mining, and nuclear power plant operation. The effects of radiation on plants, animals, and aquatic life are addressed. Major nuclear accidents at Chernobyl and Three Mile Island are summarized. Ways to control nuclear pollution through safe storage, disposal, and plant regulations are provided. The conclusion covers the risks of nuclear pollution but also the potential for sustainable nuclear energy.
Nuclear pollution
Nuclear pollution occurs when radioactive substances or radiation contaminate the environment. Major sources include nuclear power plants and nuclear weapons testing. Nuclear pollution can affect all life forms and potentially cause mutations, cancer, and death depending on radiation exposure levels. While nuclear power has benefits, it also produces hazardous nuclear waste and accidents can release radiation. Proper handling, storage, and containment of radioactive materials and waste is needed to control nuclear pollution and its severe health impacts.
Radio active pollution
Radioactive pollution can occur from various human activities involving radioactive materials and can have harmful effects. Some key sources are nuclear power generation, nuclear fuel processing, uranium mining, and nuclear weapons testing. Exposure to radiation can cause both acute and long-term health effects like cancer and genetic damage. In India, leakage from nuclear power plants has contaminated water sources and studies found high uranium levels in children living near coal power plants, linked to birth defects and disabilities. Preventing leakage and properly disposing of nuclear waste is important to control radioactive pollution.
Radioactive pollution
Radioactive pollution can occur from various human activities involving radioactive materials like nuclear fuel production, nuclear power reactors, uranium mining, and nuclear weapons testing and disposal. It involves the emission of radioactive substances into the air, water, or land in the form of waste. There are three main types - continuous, accidental, and occasional pollution. Key sources are the production of nuclear weapons, decommissioning of nuclear weapons, mining of radioactive ores, and nuclear power plants. Exposure to radiation from pollution can cause a range of health effects from mild skin irritation to cancer and death, depending on the level and duration of exposure. Major nuclear disasters that caused widespread radioactive pollution include the bombings of Hiroshima and Nagasaki, the C
Radioactive pollution
Radioactive pollution can come from natural sources like cosmic rays and radioactive elements in the Earth's crust, or from human sources such as nuclear weapons testing, nuclear power plants, medical use of radioisotopes, and improper disposal of radioactive waste. Exposure to radiation can cause both immediate effects like hair loss and long term effects like cancer. All living things are vulnerable but some organisms preferentially accumulate specific radioactive materials. Control of radioactive pollution requires safe containment and storage of wastes, along with preventative measures to limit radiation exposure.
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An earthquake and tsunami on March 11, 2011 caused a meltdown at the Fukushima Daiichi Nuclear Power Plant in Japan. Reactors 1-3 experienced full meltdowns after their cooling systems failed when the tsunami flooded backup generators. The explosions and radiation releases from the plant required the evacuation of over 100,000 people and contaminated the surrounding area. Long term impacts include increased cancer risks and the displacement of residents, as the plant will take decades to fully decontaminate and decommission.
Radioactive pollution
Radioactive pollution is defined as the release of radioactive substances into the environment from nuclear explosions, weapons production, mining, waste handling, and nuclear accidents. Radioactive contamination deposits radioactive substances on surfaces and in solids, liquids, and gases, presenting a radiation hazard. Sources include natural occurrences as well as nuclear tests, reactors, medical applications, and waste. Effects on humans range from mild skin irritation to life-threatening DNA damage and cancer, depending on exposure level and duration. Prevention methods include limiting nuclear activities, containment, minimizing isotopes, and applying radiation only when necessary.
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Nuclear pollution
This presentation covers nuclear pollution from nuclear power and reactions. It discusses sources of ionizing radiation including natural sources like cosmic rays and terrestrial radiation, as well as man-made sources such as nuclear weapon testing, uranium mining, and nuclear power plant operation. The effects of radiation on plants, animals, and aquatic life are addressed. Major nuclear accidents at Chernobyl and Three Mile Island are summarized. Ways to control nuclear pollution through safe storage, disposal, and plant regulations are provided. The conclusion covers the risks of nuclear pollution but also the potential for sustainable nuclear energy.
Nuclear pollution
Nuclear pollution occurs when radioactive substances or radiation contaminate the environment. Major sources include nuclear power plants and nuclear weapons testing. Nuclear pollution can affect all life forms and potentially cause mutations, cancer, and death depending on radiation exposure levels. While nuclear power has benefits, it also produces hazardous nuclear waste and accidents can release radiation. Proper handling, storage, and containment of radioactive materials and waste is needed to control nuclear pollution and its severe health impacts.
Radio active pollution
Radioactive pollution can occur from various human activities involving radioactive materials and can have harmful effects. Some key sources are nuclear power generation, nuclear fuel processing, uranium mining, and nuclear weapons testing. Exposure to radiation can cause both acute and long-term health effects like cancer and genetic damage. In India, leakage from nuclear power plants has contaminated water sources and studies found high uranium levels in children living near coal power plants, linked to birth defects and disabilities. Preventing leakage and properly disposing of nuclear waste is important to control radioactive pollution.
Radioactive pollution
Radioactive pollution can occur from various human activities involving radioactive materials like nuclear fuel production, nuclear power reactors, uranium mining, and nuclear weapons testing and disposal. It involves the emission of radioactive substances into the air, water, or land in the form of waste. There are three main types - continuous, accidental, and occasional pollution. Key sources are the production of nuclear weapons, decommissioning of nuclear weapons, mining of radioactive ores, and nuclear power plants. Exposure to radiation from pollution can cause a range of health effects from mild skin irritation to cancer and death, depending on the level and duration of exposure. Major nuclear disasters that caused widespread radioactive pollution include the bombings of Hiroshima and Nagasaki, the C
Radioactive pollution
Radioactive pollution can come from natural sources like cosmic rays and radioactive elements in the Earth's crust, or from human sources such as nuclear weapons testing, nuclear power plants, medical use of radioisotopes, and improper disposal of radioactive waste. Exposure to radiation can cause both immediate effects like hair loss and long term effects like cancer. All living things are vulnerable but some organisms preferentially accumulate specific radioactive materials. Control of radioactive pollution requires safe containment and storage of wastes, along with preventative measures to limit radiation exposure.
Environmental air pollution
It is a brief description about one of the serious problems of environment and that is Air pollution. It includes its definition, types, causes and prevention.
Fukushima disaster cameron and cooper
An earthquake and tsunami on March 11, 2011 caused a meltdown at the Fukushima Daiichi Nuclear Power Plant in Japan. Reactors 1-3 experienced full meltdowns after their cooling systems failed when the tsunami flooded backup generators. The explosions and radiation releases from the plant required the evacuation of over 100,000 people and contaminated the surrounding area. Long term impacts include increased cancer risks and the displacement of residents, as the plant will take decades to fully decontaminate and decommission.
Radioactive pollution
Radioactive pollution is defined as the release of radioactive substances into the environment from nuclear explosions, weapons production, mining, waste handling, and nuclear accidents. Radioactive contamination deposits radioactive substances on surfaces and in solids, liquids, and gases, presenting a radiation hazard. Sources include natural occurrences as well as nuclear tests, reactors, medical applications, and waste. Effects on humans range from mild skin irritation to life-threatening DNA damage and cancer, depending on exposure level and duration. Prevention methods include limiting nuclear activities, containment, minimizing isotopes, and applying radiation only when necessary.
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The Chernobyl disaster was a nuclear accident that occurred on April 26, 1986 at the Chernobyl Nuclear Power Plant in Ukraine. An unexpected drop in reactor power during a safety test triggered a nuclear chain reaction and two explosions that destroyed the reactor building. This released considerable radioactive contamination into the atmosphere over about nine days. Over 100,000 people were evacuated from the 30 km exclusion zone set up around the plant. At least 31 people died in the immediate aftermath from acute radiation syndrome. It is considered the worst nuclear disaster in history in terms of cost and casualties.
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The Chernobyl disaster was a nuclear reactor accident at the Chernobyl Nuclear Power Plant in Ukraine in 1986. It resulted in a massive release of radiation and is considered the worst nuclear power plant accident in history. The explosion destroyed reactor number four and forced the evacuation of over 300,000 people from the surrounding area due to high radiation levels. Many still live in contaminated areas and the long-term health effects are still unknown.
Environmental Pollution
Pollution is defined as the introduction of contaminants into the natural environment that cause adverse effects. Pollution can take various forms including chemicals, noise, heat and light. Common types of pollution include air pollution from vehicle and industrial emissions, noise pollution from transportation and industry, soil contamination from chemical spills and leaks, and water pollution from wastewater and plastic discharge. Multiple contaminants like carbon monoxide, sulfur dioxide, heavy metals and chlorinated hydrocarbons pollute the air, soil and water.
PHOTOCHEMICAL SMOG
Smog is a type of air pollutant formed by a mixture of pollutants in the atmosphere, consisting of fine particles and ground-level ozone. It was coined in 1905 from the words "smoke" and "fog" to describe London fog. There are different types of smog including industrial, volcanic, and photochemical smog, which is formed through chemical reactions between nitrogen oxides and volatile organic compounds in sunlight. Examples of cities that have experienced dangerous smog events include Los Angeles in 1943 and London in the early 1900s. Smog can cause severe health effects like respiratory illnesses and cancer as well as environmental impacts such as reduced visibility and acid rain. Preventive measures include reducing emissions from vehicles, industry
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This document discusses nuclear hazards and radioactivity. It describes how certain elements are radioactive and release radiation through decay. Both natural sources like cosmic rays and man-made sources like nuclear power plants and weapons testing can release radioactive materials into the environment. Exposure to radiation can cause health effects like cancer and mutations. Examples are given of radioactive isotopes like strontium-90 that get concentrated in food chains and can irradiate living tissues. Protective measures for nuclear facilities and monitoring of radioactive substances are recommended to control hazards.
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This document discusses nuclear accidents and radiation hazards. It begins with the historical background of nuclear fission and the Manhattan Project that developed the first nuclear bombs. It then describes the nuclear bomb explosions over Hiroshima and Nagasaki in 1945. The document further discusses nuclear arsenals and waste in countries like the US and Russia. It covers notable nuclear accidents at Chernobyl and Fukushima. The document also mentions natural sources of radiation and some purported health benefits of low-level radiation exposure.
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This document discusses radioactive pollution. It defines radioactive pollution as the emission of high energy particles or radioactive substances into the air, water, or land due to human activities like nuclear waste. Sources of radioactive pollution include nuclear fuel production, nuclear power reactors, nuclear tests, uranium mining, and nuclear waste disposal. Radioactive pollution can be continuous from places using radioactivity, accidental from equipment failures, or occasional from isolated experiments. Examples given are nuclear bomb tests releasing fallout and the Fukushima and Chernobyl nuclear disasters spreading radiation. Effects on health can be genetic mutations or cancer development. Specific isotopes discussed are strontium-90 and cesium-137, which can cause bone cancer and be dispersed in the environment.
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The Chernobyl nuclear disaster of 1986 in Ukraine was the worst nuclear power plant accident in history. When the reactor core was damaged during a safety test, it caused two explosions and released large amounts of radioactive material into the atmosphere. Over 100,000 people had to be evacuated from the surrounding area. Many people suffered long-term health effects such as increased cancer rates, and the environment was also contaminated over a large region. The accident highlighted issues with the Soviet nuclear reactor design and lack of safety precautions that led to the disaster.
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An earthquake and tsunami on March 11, 2011 disabled the power and cooling systems of three reactors at the Fukushima Daiichi Nuclear Power Plant in Japan, causing a nuclear accident. Hydrogen explosions occurred at reactors 1 and 3, and an explosion due to rising pressure happened at reactor 2. By March 16th, 50% of the plant was on fire. The disaster, rated a 7 on the International Nuclear Event Scale, resulted in high radioactive release and economic losses of 150 billion euros for Japan, while increasing cancer risks and damaging the surrounding environment.
Photochemical somog
This document discusses photochemical smog, an air pollution formed when sunlight interacts with vehicle exhaust and industrial emissions. It is formed through complex chemical reactions involving nitrogen oxides and volatile organic compounds producing ozone, peroxyacyl nitrates and other compounds. Exposure can cause respiratory and cardiovascular issues in humans and damage plants. Mitigation strategies include using catalytic converters, reformulating fuel to reduce emissions, and reducing reliance on fossil fuels, industrial emissions and pesticides.
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This document discusses radiation and radioactive pollution. It defines radiation as particles and energy emitted by unstable atoms during radioactive decay. Radiation comes from both natural sources like the sun and human activities like nuclear power plants and medical treatments. It also causes radioactive pollution when emitted into the air, water or soil. The effects of radiation on humans can include burns, cancer and death. However, radiation also has many beneficial uses in areas like medicine, communication and science. The document concludes with emphasizing the importance of safety measures and pollution prevention to minimize risks from radiation while allowing its productive applications.
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This document presents information on nuclear hazards from a group presentation. It discusses radioactive pollution and its sources from natural occurrences like cosmic rays and radioactive materials in the earth's crust, as well as man-made sources such as nuclear power plants, nuclear weapons, and mining. Nuclear accidents can cause meltdowns when temperatures rise too high in nuclear reactors. The effects of nuclear hazards include cancer, reduced lifespan, and genetic mutations in organisms and future generations. Examples of major nuclear accidents provided are at Three Mile Island, Goiania, Chernobyl, and Fukushima. Preventing nuclear hazards involves containment, isolation of wastes, and dilution of wastes.
Nuclear disasters
Nuclear disasters can occur as a result of accidents at nuclear power plants or from meltdowns. The three major nuclear disasters were at Three Mile Island in 1979, Chernobyl in 1986, and Fukushima in 2011. Nuclear disasters can cause widespread health and environmental damage through the release of radiation. Proper safety systems and emergency response plans are needed to minimize damage and risk from nuclear disasters.
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This document discusses radioactive pollution and nuclear accidents. It begins with an overview of topics to be covered, including radiation, sources of radioactive pollution, types of radioactive pollution, effects of radiation exposure, nuclear energy, nuclear hazards and accidents, and prevention measures. It then covers radiation and its sources, natural sources of radiation like cosmic rays and terrestrial radiation, and artificial sources like nuclear power plants and medical waste. It discusses the types, toxicity and health effects of radioactive pollution. The document provides a brief history of nuclear energy and accidents like Chernobyl and Fukushima. It concludes with suggestions for preventing radioactive pollution like proper waste disposal and regular monitoring.
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Smog is caused by emissions from vehicles, power plants, and factories which release nitrogen, carbon dioxide, and other pollutants into the air. When sunlight reacts with these exhaust pollutants, it forms photochemical smog. Lack of wind can also cause smog to build up in an area. Breathing smog can damage lungs and cause health issues like asthma attacks or lung cancer. Governments have implemented laws and emissions standards to reduce smog by requiring devices like catalytic converters on cars and scrubbers on factories. These efforts have led to fewer smog-related deaths and less damage to the environment and buildings over time.
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Pollution is defined as the introduction of contaminants into the natural environment that cause adverse effects. Pollution can take various forms including chemicals, noise, heat and light. Common types of pollution include air pollution from vehicle and industrial emissions, noise pollution from transportation and industry, soil contamination from chemical spills and leaks, and water pollution from wastewater and plastic discharge. Multiple contaminants like carbon monoxide, sulfur dioxide, heavy metals and chlorinated hydrocarbons pollute the air, soil and water.
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Smog is a type of air pollutant formed by a mixture of pollutants in the atmosphere, consisting of fine particles and ground-level ozone. It was coined in 1905 from the words "smoke" and "fog" to describe London fog. There are different types of smog including industrial, volcanic, and photochemical smog, which is formed through chemical reactions between nitrogen oxides and volatile organic compounds in sunlight. Examples of cities that have experienced dangerous smog events include Los Angeles in 1943 and London in the early 1900s. Smog can cause severe health effects like respiratory illnesses and cancer as well as environmental impacts such as reduced visibility and acid rain. Preventive measures include reducing emissions from vehicles, industry
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Outdoor air pollution comes from a variety of natural and human-made sources. Major pollutants include carbon monoxides, nitrogen oxides, sulfur dioxides, particulate matter, ozone, and lead. Photochemical smog forms when nitrogen oxides and volatile organic compounds react with sunlight. Acid deposition occurs when sulfur and nitrogen pollutants are transformed and deposited, damaging forests, soils, and aquatic life. Solutions involve reducing emissions through improved energy efficiency, pollution controls on industries and vehicles, and transitioning to cleaner fuels.
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The document discusses various types of weapons of mass destruction including nuclear, chemical, biological, and radiological weapons. It provides details on nuclear weapons such as atomic bombs which use nuclear fission and hydrogen bombs which use nuclear fusion. It also discusses chemical weapons and references the deadly Bhopal gas tragedy. The document outlines various mitigation strategies communities can take to reduce risks from industrial accidents involving hazardous chemicals, including hazard mapping, land use planning, community preparedness, and other measures. It also briefly discusses biological weapons and their covert nature.
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This document discusses nuclear hazards and radioactivity. It describes how certain elements are radioactive and release radiation through decay. Both natural sources like cosmic rays and man-made sources like nuclear power plants and weapons testing can release radioactive materials into the environment. Exposure to radiation can cause health effects like cancer and mutations. Examples are given of radioactive isotopes like strontium-90 that get concentrated in food chains and can irradiate living tissues. Protective measures for nuclear facilities and monitoring of radioactive substances are recommended to control hazards.
Nuclear Accidents and Radiation Hazards
This document discusses nuclear accidents and radiation hazards. It begins with the historical background of nuclear fission and the Manhattan Project that developed the first nuclear bombs. It then describes the nuclear bomb explosions over Hiroshima and Nagasaki in 1945. The document further discusses nuclear arsenals and waste in countries like the US and Russia. It covers notable nuclear accidents at Chernobyl and Fukushima. The document also mentions natural sources of radiation and some purported health benefits of low-level radiation exposure.
Radioactive pollution
This document discusses radioactive pollution. It defines radioactive pollution as the emission of high energy particles or radioactive substances into the air, water, or land due to human activities like nuclear waste. Sources of radioactive pollution include nuclear fuel production, nuclear power reactors, nuclear tests, uranium mining, and nuclear waste disposal. Radioactive pollution can be continuous from places using radioactivity, accidental from equipment failures, or occasional from isolated experiments. Examples given are nuclear bomb tests releasing fallout and the Fukushima and Chernobyl nuclear disasters spreading radiation. Effects on health can be genetic mutations or cancer development. Specific isotopes discussed are strontium-90 and cesium-137, which can cause bone cancer and be dispersed in the environment.
Chernobyl disaster
The Chernobyl nuclear disaster of 1986 in Ukraine was the worst nuclear power plant accident in history. When the reactor core was damaged during a safety test, it caused two explosions and released large amounts of radioactive material into the atmosphere. Over 100,000 people had to be evacuated from the surrounding area. Many people suffered long-term health effects such as increased cancer rates, and the environment was also contaminated over a large region. The accident highlighted issues with the Soviet nuclear reactor design and lack of safety precautions that led to the disaster.
Fukushima Daiichi nuclear disaster
An earthquake and tsunami on March 11, 2011 disabled the power and cooling systems of three reactors at the Fukushima Daiichi Nuclear Power Plant in Japan, causing a nuclear accident. Hydrogen explosions occurred at reactors 1 and 3, and an explosion due to rising pressure happened at reactor 2. By March 16th, 50% of the plant was on fire. The disaster, rated a 7 on the International Nuclear Event Scale, resulted in high radioactive release and economic losses of 150 billion euros for Japan, while increasing cancer risks and damaging the surrounding environment.
Photochemical somog
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The document discusses nuclear accidents and their severity levels according to the International Nuclear Event Scale (INES). It describes seven levels of severity, ranging from minor accidents with no safety impact (Level 1) to major accidents resulting in widespread health and environmental effects (Level 7). Only three events have been rated Level 7 - Chernobyl in 1986, Fukushima in 2011, and the Kyshtym disaster in 1957. Accidents are measured based on their impacts on people, the environment, and radioactive damage and exposure.
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This document discusses radiation and radioactive pollution. It defines radiation as particles and energy emitted by unstable atoms during radioactive decay. Radiation comes from both natural sources like the sun and human activities like nuclear power plants and medical treatments. It also causes radioactive pollution when emitted into the air, water or soil. The effects of radiation on humans can include burns, cancer and death. However, radiation also has many beneficial uses in areas like medicine, communication and science. The document concludes with emphasizing the importance of safety measures and pollution prevention to minimize risks from radiation while allowing its productive applications.
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This document presents information on nuclear hazards from a group presentation. It discusses radioactive pollution and its sources from natural occurrences like cosmic rays and radioactive materials in the earth's crust, as well as man-made sources such as nuclear power plants, nuclear weapons, and mining. Nuclear accidents can cause meltdowns when temperatures rise too high in nuclear reactors. The effects of nuclear hazards include cancer, reduced lifespan, and genetic mutations in organisms and future generations. Examples of major nuclear accidents provided are at Three Mile Island, Goiania, Chernobyl, and Fukushima. Preventing nuclear hazards involves containment, isolation of wastes, and dilution of wastes.
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radio active pollution.pptx
RADIOACTIVE POLLUTION
INTRODUTION
Radiation And Radioactivity:
The application of radioactive elements in nuclear weapons, X-rays, MRI and other medical equipment causes their exposure to human beings.
The deposition of these radioactive gases in water bodies also cause radioactive contamination.
Radiation is the transport of energy through space.
Two types of radiation. - Ionizing radiation
- Non ionizing radiation
Sources of radioactive pollution
Natural sources of radiation: Natural sources of radiation are mentioned below:
In natural sources of radioactive pollution, atomic radioactive minerals are one among them.
Cosmic rays possess high energy ionizing electromagnetic radiation.
Another source of radioactive radiation is naturally occurring radioisotopes. Radioisotopes are found in soil in small quantity.
Radioactive elements like radium, thorium, uranium, isotopes of potassium and carbon occur in lithosphere
Anthropogenic sources of radiation
Human activities mentioned below include in sources of radioactive pollution:
Nuclear tests
Nuclear reactors
Diagnostic medical applications
Nuclear Wastes
Nuclear explosions
Nuclear metal processing
Nuclear Reactor Accidents
Almost 99 such nuclear accidents have been occur through out worldwide. 56 of 99,have been occurred only in USA.
Kyshtym, Russia (former Soviet Union) – 29,september,1957 (INES Level 6)
200 people died on direct radiation and almost 8000 people died in 32 years of this nuclear accidents
Major nuclear accidents
Three Mile Island, United States – 28 March, 1979 (INES Level 5)
one of the elements of the power plant’s system malfunctioned
Chernobyl, Ukraine (former Soviet Union) – 26,april,1986 (INES Level 7)
A series of events led to the explosion of the reactor number four at the Chernobyl Nuclear Power Plant
Fukushima, Japan –11,march 2011 (INES Level 7)
9.0 magnitude earthquake struck off the coast of Japan. The resulting tsunami (49 feet tall) hit the Fukushima I Nuclear Power Plant 51 and experienced meltdown
NUCLEAR BOMBS
August 6, 1945, Hiroshima
directly killing an estimated 80,000 people. By the end of the year, injury and radiation brought total casualties to 90,000–140,000
On August 9, 1945, Nagasaki
Almost 75,000 people died and more affected by radiation.
Radiation Health Effects
Radionuclides are carcinogens and at high doses can also cause rapid sickness and death.
The health effects of exposure to radiation depend on many factors.
the amount of energy it deliver
the length of exposure time
the organs and tissues exposed
characteristics of the exposed person
How does radiation injure people?
High energy radiation breaks chemical bonds.
This creates free radicals, like those produced by other insults as well as by normal cellular processes in the body.
The free radicals can change chemicals in the body.
These changes can disrupt cell function and may kill cells.
Nuclear energy group n0 12
This document discusses nuclear energy. It provides a brief history of nuclear energy, explaining how nuclear fission and fusion work to produce energy. Nuclear fission in power plants generates electricity by splitting heavy radioactive elements like uranium and producing heat. Nuclear fusion combines light elements and occurs inside the sun. While nuclear energy has advantages like low emissions, disadvantages include high costs and long-term radioactive waste storage needs. The document examines applications and environmental impacts of nuclear energy.
Ana Ormaechea. 3rd
This document summarizes environmental health issues and nuclear issues. It discusses air quality, asthma, electromagnetic radiation, indoor air quality, and lead poisoning in relation to environmental health. For nuclear issues, it covers nuclear power, nuclear weapons, nuclear accidents including Chernobyl and Fukushima, nuclear safety, and high-level radioactive waste management. It concludes with comments from three students reflecting on learning about environmental and nuclear issues.
nuclear energy
Nuclear energy was first developed during World War II and was later pursued for civilian electricity generation. While nuclear power currently provides about 13% of the world's electricity, it also poses various risks such as nuclear weapons proliferation, severe accidents like at Chernobyl and Fukushima, long-lasting radioactive waste, and environmental degradation. There are also sustainable alternatives like solar, wind, and hydro that do not carry the same risks as nuclear energy.
Nuclear Polution
This document provides information about nuclear pollution from an environmental studies project. It discusses the causes of nuclear pollution including nuclear weapons testing, nuclear power plants, and improper disposal of spent nuclear fuel. Two major nuclear accidents are summarized: the 1986 Chernobyl disaster, where a nuclear reactor exploded in Ukraine, and the 2011 Fukushima Daiichi nuclear disaster in Japan caused by an earthquake and tsunami. The effects of nuclear pollution on health and the environment are outlined. Suggested preventative measures include proper disposal of nuclear waste and ensuring safety at nuclear power plants.
Nuclear hazards and human health
Radiations are the waves of energy that travels and spread all around in our environment. These radiations are useful as well harmful for us. Examples include visible light, radio waves, microwaves, infrared and ultraviolet lights, X-rays, and gamma-rays, etc.
The differences between these various types of radiation consist in some physical properties such as energy, frequency, and wavelength.
Radiation pollution refers to the increase in the natural radiation levels in our surroundings due to human activities. It is said that in today’s world about 20% of radiation we are exposed to is due to human activities. The human activities that may release radiation involve activities with radioactive materials such as
1. mining,
2. handling and processing of radioactive materials,
3. handling and storage of radioactive waste,
4. use of radioactive reactions to generate energy (nuclear power plants),
5. use of radiation in medicine (e.g. X-Rays) and research.
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The document discusses two major nuclear accidents - the Chernobyl disaster of 1986 and the Fukushima Daiichi disaster of 2011. It provides details on the causes and consequences of the Chernobyl disaster, which included explosions and fires at the plant, widespread radioactive contamination, and many deaths from radiation exposure. The consequences involved environmental, health, psychological, economic and social impacts. It also describes the Fukushima Daiichi nuclear disaster triggered by an earthquake and tsunami in 2011, which resulted in three full reactor meltdowns and hydrogen explosions due to a loss of cooling systems from flooding.
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Effects of nuclear pollution
- 1. Effect of Nuclear Pollution Made by: Vijay Singh Mankotia Contact info: Vijaysinghsur@gmail.com
- 2. What Is Nuclear Pollution Nuclear pollution is the pollution that contains radioactive elements. Nuclear Pollution may be in the air, water or on land. Nuclear Pollution can come from a variety of sources . E.g.- Nuclear fission ,Radioactive mining, Nuclear Fuel reactor materials, Nuclear power plants etc.
- 3. Nuclear Power Plant • It is used to generate electricity. • It used nuclear elements as heat source in plants which works on the nuclear fission. • The energy we get from 1gm of pure Uranium Is equal to energy received from the burning Of 3500 tonnes of coal.
- 4. Effects of Nuclear pollution Nuclear Radiation seriously effects the life on Earth Explosion from the Nuclear bombs does two type of damage:- I. Directly from blast II. Dispersal of Radioactive isotopes
- 6. Radiation Doses and Health Determining the point at which the exposure or dose becomes a hazard to health. –5,000 mSv is considered lethal in 50% of people –1,000-2,000 mSv sufficient to cause health problems –50 msv maximum allowed dose for workers in the industry (30 times aver. natural background)
- 7. Nuclear Power Plant Accidents US Nuclear Regulatory Commission –Sets performance goal for a single reactor at 0.01% –If there were 1,500 plants a melt down could be expected every seven years –Unacceptable risk
- 8. Three Mile Island Occurred March 28, 1979 near Harrisburg, PA –Malfunction of a valve resulted in partial core meltdown –Intense radiation released to interior of containment structure –Small amount of radiation released into environment
- 10. Chernobyl Occurred April 26, 1986 • Worst accident in history of nuclear power generation • Failure in cooling waters – Reactor overheated melting the uranium fuel – Explosions removed top of building – Fires produced a cloud of radioactive particles
- 11. Chernobyl 30 km zone surrounding Chernobyl evacuated – City of Prypyat, pop. 48,000 at time of accident, now a ghost city. – Thyroid cancer increased in Belarus, Ukraine and the Russian Federation – Trees and vegetation damaged – Ultimately be responsible for 16,000 deaths
- 14. Fukushima Occurred March 11,2011 •One of the three main worst Nuclear power plant accidents. •Failure of the Reactant coolant due to Tsunami •20 km zone around Fukushima evacuated
- 17. Affects the human as well as Aquatic life
- 18. Hiroshima And Nagasaki Around 80,000 people were affected • The effect is still there