Global Warming / Climate Change

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What is Global Warming?

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Global warming refers to the long-term increase in Earth's average surface temperature due to human activities, primarily the emission of greenhouse gases.

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What are Greenhouse Gases?

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Greenhouse gases are gases that trap heat in the atmosphere, including carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O).

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What is the greenhouse effect?

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The greenhouse effect is the process by which certain gases in Earth's atmosphere trap heat, preventing it from escaping into space and thus warming the planet.

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What are the main sources of greenhouse gas emissions?

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The main sources include transportation, electricity generation, industry, agriculture, and deforestation.

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What is the significance of sea level rise?

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Sea level rise poses a threat to coastal communities, ecosystems, and can lead to increased flooding and erosion.

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What is permafrost?

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Permafrost is permanently frozen ground that, when thawed, can release greenhouse gases like methane into the atmosphere.

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What is a positive feedback loop in climate change?

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A positive feedback loop occurs when an initial change causes further changes that amplify the original effect, such as melting ice leading to more heat absorption and further warming.

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What are the anticipated effects of global warming?

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Anticipated effects include changing precipitation patterns, rising sea levels, increased frequency of extreme weather events, and expansion of deserts.

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How does deforestation contribute to climate change?

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Deforestation reduces the number of trees that can absorb CO2, increasing the concentration of greenhouse gases in the atmosphere.

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What role do oceans play in climate change?

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Oceans absorb a significant amount of CO2 and heat, but their capacity is limited, leading to ocean acidification and temperature rise.

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