Consequences of the melting of the ice caps
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The document discusses the consequences of melting ice caps and permafrost, including rising sea levels and impacts on climate. It notes that climate change can be caused by both external factors like solar radiation as well as internal factors such as human activity. Global warming is defined as a long-term rise in average global temperatures due to human activity such as burning fossil fuels. The document also mentions that climate change threatens some species with extinction through effects like habitat loss and that climate refugees are people forced to leave their homes due to environmental changes caused by climate change.
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1. Introduction to Climate Change: Defining the phenomenon and identifying its primary drivers, including human activities and natural factors.
2. Evidence of Climate Change: Presenting compelling data and visuals showcasing the observable effects of climate change, such as rising temperatures, extreme weather events, and melting ice caps.
3. Impacts of Climate Change: Examining the environmental, economic, and social repercussions of a changing climate, from biodiversity loss and habitat destruction to economic instability and human displacement.
4. Global Responses to Climate Change: Highlighting international agreements, national policies, and corporate initiatives aimed at mitigating greenhouse gas emissions and adapting to climate impacts.
5. Mitigation Strategies: Exploring various approaches to reducing carbon emissions and transitioning to renewable energy sources, including renewable energy deployment, energy efficiency measures, and afforestation efforts.
6. Adaptation Measures: Discussing strategies for enhancing resilience and preparedness at the individual, community, and institutional levels to cope with the impacts of climate change.
7. Call to Action: Empowering individuals, organizations, and governments to take decisive action in addressing climate change through advocacy, education, and collective efforts.
8. Hope for the Future: Concluding with a message of optimism and resilience, emphasizing the transformative potential of climate action and the opportunity to create a more sustainable and equitable world for future generations.
Join us on this journey to deepen your understanding of climate change and inspire positive change in the fight against this global crisis. Let's work together to safeguard our planet and build a brighter, more resilient future for all. #ClimateChange #Sustainability #ActOnClimate
Environmental conditions play a key role in defining the function an.pdf
Environmental conditions play a key role in defining the function and distribution of plants, in
combination with other factors. Changes in long term environmental conditions that can be
collectively coined climate change are known to have had enormous impacts on plant diversity
patterns in the future and are seen as having significant current impacts. It is predicted that
climate change will remain one of the major drivers of biodiversity patterns in the future.
The Earth has experienced a constantly changing climate in the time since plants first evolved. In
comparison to the present day, this history has seen Earth as cooler, warmer, drier and wetter,
and CO2 (carbon dioxide) concentrations have been both higher and lower. These changes have
been reflected by constantly shifting vegetation, for example forest communities dominating
most areas in interglacial periods, and herbaceous communities dominating during glacial
periods. It has been shown that past climatic change has been a major driver of the processes of
speciation and extinction. The best known example of this is the Carboniferous Rainforest
Collapse which occurred 350 million years ago. This event decimated amphibian populations
and spurred on the evolution of reptiles
Greenhouse effect - the mechanism
The sun radiates solar energy on earth. The larger part of this energy (45%) is radiated back into
space. Greenhouse gases in the atmosphere contribute to global warming by adsorption and
reflection of atmospheric and solar energy. This natural phenomenon is what we call the
greenhouse effect. It is agreed that the greenhouse effect is correlated with global temperature
change. The primary greenhouse gases in the Earth’s atmosphere are water vapor, carbon
dioxide, methane, nitrous oxide, and ozone
Mechanism of global warming:
i. The incoming radiation from the Sun is mostly in the form of visible light and nearby
wavelengths, largely in the range 0.2 – 4 1m, corresponding to the Sun’s radioactive temperature
of 6,000 K. Almost half the radiation is in the form of “visible” light, which our eyes are adapted
to use.
ii. About 50% of the Sun’s energy is absorbed at the earth’s surface and the rest is reflected or
absorbed by the atmosphere. The reflection of light back into space – largely by clouds – does
not much affect the basic mechanism; this light, effectively, is lost to the system.
iii (a) Earth absorbs most of the sunlight it receives; The absorbed energy warms the surface; (b)
Earth then emits the absorbed light’s energy as infrared light; (c) greenhouse gases absorb a lot
of the infrared light before it can leave our atmosphere; (d) being absorbed slows the rate at
which energy escapes to space; and (e) the slower passage of energy heats up the atmosphere,
water, and ground. By increasing the amount of greenhouse gases in the atmosphere, humans are
increasing the atmosphere’s absorption of infrared light, thereby warming Earth and disrupting
global climate patterns.
Effec.
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Climate Change Impacts on Terrestrial and Aquatic Ecosystems.pptx
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Environmental conditions play a key role in defining the function an.pdf
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Consequences of the melting of the ice caps
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- 3. Climate change arises from external factors such as the amount of solar radiation occurring, or internal factors such as human activity (anthropogenic changes) or the influence of natural factors. In recent years, the term "global climate change" is used in the context of global warming and the rise of temperature on the Earth's surface, but scenarios are considered to coldness the surface of the Ear.
- 4. Global warming is a long-term rise in the average temperature of the Earth's climate system, an aspect of climate change shown by temperature measurements and by multiple effects of the warming . The term commonly refers to the mainly human-caused observed warming since pre-industrial times and its projected continuation, though there were also much earlier periods of global warming.
- 5. For some species, time on our planet Earth is running out. Human beings are the greatest threat to the survival of endangered species through poaching, habitat destruction and the effects of climate change. The most endangered animals are: • Amur Leopard • Gorillas • Sea turtles
- 6. Climate refugee are people who are forced to leave their home region due to sudden or long- term changes to their local environment. These are changes which compromise their well- being or secure livelihood. Such changes are held to include increased droughts, desertification, sea level rise, and disruption of seasonal weather patterns .Climate refugees may choose to flee to or migrate to another country, or they may migrate internally within their own country.