Greenhouse effect and climate change

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What is the greenhouse effect?

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The greenhouse effect is the warming of the Earth's atmosphere due to the accumulation of greenhouse gases like CO2, which trap heat from the sun.

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What are greenhouse gases?

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Greenhouse gases are gases that contribute to the greenhouse effect by absorbing infrared radiation. Key examples include carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O).

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What is a carbon sink?

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A carbon sink is a natural reservoir that accumulates and stores carbon, such as forests, oceans, and soil.

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How does respiration contribute to carbon dioxide levels?

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Respiration is the process by which animals breathe out carbon dioxide, contributing to the levels of CO2 in the atmosphere.

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What is the impact of melting glaciers on sea levels?

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Melting glaciers and polar ice caps result in rising sea levels, which can lead to coastal flooding and habitat loss.

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What role do trees play in carbon storage?

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Trees absorb carbon dioxide from the atmosphere during photosynthesis, storing carbon in their biomass and helping to mitigate 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.

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What is the main cause of the current climate change?

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The main cause of current climate change is the increase in greenhouse gas emissions due to human activities, particularly the burning of fossil fuels.

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What is the relationship between CO2 levels and global temperatures?

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Higher levels of CO2 in the atmosphere are associated with increased global temperatures, contributing to the greenhouse effect.

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What are fossil fuels?

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Fossil fuels are natural substances formed from the remains of ancient plants and animals, including coal, oil, and natural gas, and are major sources of carbon emissions.