Global warming
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Global warming is caused by greenhouse gases like carbon dioxide and methane trapping heat in the atmosphere, causing the Earth's temperature to rise. As temperatures increase, the climate will change dramatically with some areas experiencing droughts and others severe flooding. Melting polar ice caps will also raise sea levels and threaten coastal cities. While higher CO2 levels may increase crop growth, the overall impacts of climate change are expected to be harmful. Both natural factors like the sun's intensity and human activities that release greenhouse gases contribute to global warming. Reducing emissions, waste, and deforestation can help mitigate the problem.
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By examining air bubbles in ice cores taken from Antarctica, scientists can go back and calculate what the concentrations of carbon dioxide in the atmosphere have been throughout the last 650,000 years. The amount of carbon dioxide in the atmosphere has been climbing to where today it is 30 percent greater than 650,000 years ago. That rise in carbon dioxide “is essentially entirely due to the burning of fuels,” Susan Solomon says. She’s a senior scientist with the National Oceanic and Atmospheric Administration, in Boulder, Colo., and studies factors that affect climate.
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This document discusses the causes and effects of global warming. It begins by defining global warming as an increase in the Earth's average temperature due to an increase in greenhouse gases like carbon dioxide. It then lists several major causes of global warming, including pollution from vehicles, power plants, and industries, deforestation, landfills, and population growth. The document goes on to describe some key effects of global warming like rising sea levels, species extinction, impacts on plants and animals, and effects on human health. It concludes by stating that global warming is a major challenge and that small changes in individual lifestyles can help avoid worse impacts in the future.
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This document provides an overview of environmental aspects of energy, including the greenhouse effect and global warming. It discusses how different energy sources can impact the environment through air, water, and solid waste pollution. Greenhouse gases like carbon dioxide, methane, and nitrous oxide are explained as major contributors to global warming. The effects of rising global temperatures are outlined as threats to ecosystems, climate change, and sea level rise.
Global Warming presentation topic .pptx
The document discusses global warming, its causes, effects, and potential solutions. It defines global warming as the gradual heating of the Earth's surface caused by human activities like burning fossil fuels. It identifies both human causes such as deforestation, industrialization, and overpopulation as well as natural causes like volcanoes and melting permafrost. The effects of global warming include rising temperatures, threats to ecosystems, climate change, and spread of diseases. Potential solutions involve reducing greenhouse gas emissions and transitioning to renewable energy sources.
Clamate change introduction class 1.pptx
1) Climate change refers to long-term shifts in weather patterns due to human-caused increases in greenhouse gases.
2) Burning fossil fuels releases carbon dioxide and other greenhouse gases, trapping heat in the lower atmosphere and leading to global warming.
3) Effects of climate change include stronger storms, more wildfires, rising sea levels, worsening droughts and floods, and threats to human and environmental health.
green house effect
The greenhouse effect occurs when greenhouse gases in the atmosphere, such as water vapor, carbon dioxide and methane, absorb and emit thermal radiation from the Earth's surface. This process warms the surface of the planet and makes it suitable for life. Without the greenhouse effect, the Earth's average temperature would be around -18°C rather than the current 15°C. While a natural phenomenon, increased levels of greenhouse gases from human activities like burning fossil fuels are enhancing the greenhouse effect and contributing to global warming. This warming could significantly impact life on Earth in the coming centuries if emissions are not reduced.
Yilmazt Pp4gw
Global warming refers to the increase of the Earth's temperature due to higher levels of greenhouse gases trapping heat in the atmosphere from the sun. The main cause is the influx of greenhouse gases like carbon dioxide released from burning fossil fuels. Effects of global warming include a projected rise in average global temperatures of 2.5-10 degrees Fahrenheit by 2100, rising sea levels, and more extreme weather. Melting polar ice caps and glaciers will impact ocean currents and cause sea level rise, threatening coastal communities and wildlife.
Global warming lesson
Global warming is caused by greenhouse gases like carbon dioxide and methane trapping heat in the atmosphere, increasing temperatures over time. This occurs through the greenhouse effect, similar to how a car heats up with the sun. Increased energy consumption and fossil fuel use emit these gases. Consequences of global warming include more extreme weather, rising sea levels, and damage to ecosystems and habitats.
GLOBAL WARMING AND GREEN HOUSE EFFECT
Global warming is caused by heat-trapping gases like carbon dioxide and methane that are emitted through human activities like burning fossil fuels and deforestation. These gases trap heat in the atmosphere and cause Earth's surface temperature to rise, disrupting climate patterns. Effects of global warming include extreme heat, rising sea levels, more intense storms, droughts, and declining crop yields. International efforts to address global warming include the UN Framework Convention on Climate Change and its Kyoto Protocol that aim to reduce greenhouse gas emissions. Individual actions like conserving energy and planting trees can also help mitigate the problem.
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Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
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Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
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Global warming
- 1. Global Warming By: Lucia Frias, Tota Lupi, Trini Torrendell and Victoria Quiroga
- 2. Greenhouse gas Greenhouse effect Earth absorbing and reflecting some solar radiation Sun’s rays enter the Earth’s atmosphere Heat is reflected back from the Earth’s surface Heat is absorbed by carbon dioxide (greenhouse gas) and as a result becomes trapped in the Earth’s atmosphere The Earth becomes hotter as a result
- 3. Results of global warming A rise of just a few degrees in world temperatures will have a dramatic impact on the climate: Global weather patterns will change, causing drought in some places and flooding in others. Melting of polar ice caps will raise sea levels, causing increased coastal erosion and flooding of low-lying land – including land where major cities lie. But there might be some beneficial effects too. There could be extra carbon dioxide in the atmosphere and higher temperatures might increase the rate of photosynthesis in some parts of the world. So that means higher yields could be gained from the crops.
- 4. Causes of Global Warming The issues that cause global warming are divided into two categories include "natural" and "human influences" of global warming. NATURAL CAUSES: *The climate has continuously changing for centuries as the global warming happens because of the rotation of the sun that changes the intensity of sunlight and moves closer to the earth. *Another cause of global warming is greenhouse gases which are carbon dioxide and sulphur dioxide that is trap in the solar heats rays and prevent it from escaping from the surface of the earth. His make temperature increase.
- 5. *Volcanic eruptions are another issue that causes this. *Methane is another issue that causes global warming. Methane is also a greenhouse gas. HUMAN INFLUENCE: *First issue is industrial revolution. Industrial have been using fossil fuels for power machines. Everything that we use is involved in fossil fuel. During the process of production carbon dioxide is releasing to the atmosphere. *Another issue is mining. During the process of mining, the methane will trap below the earth. *Deforestation: Human have been cutting down trees to produce papers, wood, build houses or more. If human continuing deforestation, carbon dioxide will concentrate in the atmosphere because trees can absorb carbon dioxide from atmosphere.
- 7. Solutions for global warming -Reduce emissions -reduce the rubbish we throw away -Stop deforestation (removes carbon dioxide from the air) -Prepare for impacts