Climate Change

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What is climate change?

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Climate change refers to significant changes in global temperatures and weather patterns over time, primarily driven by human activities such as burning fossil fuels, deforestation, and industrial processes.

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Which human activity contributes the MOST carbon dioxide to the atmosphere?

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Burning fossil fuels.

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What is a positive feedback loop in the context of climate change?

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A positive feedback loop is a process where an initial change causes further changes that amplify the original effect, such as melting ice reducing reflectivity, leading to more heat absorption and further ice melt.

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What are some human solutions for limiting global warming?

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Being more energy-efficient, using renewable sources of energy, and removing carbon from fossil fuel emissions.

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How does increased carbon dioxide contribute to global warming?

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Increased carbon dioxide traps more heat in the atmosphere, leading to a rise in global temperatures.

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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 renewable energy sources?

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Renewable energy sources are energy sources that are replenished naturally, such as solar, wind, hydroelectric, and geothermal energy.

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What is deforestation and how does it impact climate change?

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Deforestation is the clearing of forests, which reduces the number of trees that can absorb carbon dioxide, contributing to increased atmospheric CO2 levels.

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What role do oceans play in climate change?

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Oceans absorb a significant amount of carbon dioxide and heat, but increased CO2 levels can lead to ocean acidification and disrupt marine ecosystems.

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What is the significance of the carbon cycle?

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The carbon cycle is the process by which carbon is exchanged between the atmosphere, land, and oceans, playing a crucial role in regulating Earth's climate.

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