Climate Change - Introduction

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What is climate change?

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A change in the average conditions — such as temperature and rainfall — in a region over a long period of time.

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What are fossil fuels?

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Energy that is stored from living biomass that we mine as a primary energy source in the world.

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How is the average temperature of the earth determined?

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By using weather balloons, buoys and ships, and orbiting satellites.

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What has caused the average temperature of the Earth to increase approximately 1°C in the past century?

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Higher levels of carbon dioxide in the atmosphere.

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What trend has been observed in atmospheric carbon dioxide levels since 1960?

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Atmospheric carbon dioxide levels have increased steadily since 1960.

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What is the greenhouse effect?

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The process by which certain gases trap heat in the atmosphere, leading to a warming effect on the Earth's surface.

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What are renewable energy sources?

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Energy sources that are replenished naturally, such as solar, wind, and hydroelectric power.

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What role do trees play in combating climate change?

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Trees absorb carbon dioxide from the atmosphere, helping to reduce greenhouse gas levels.

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What is global warming?

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The long-term increase in Earth's average surface temperature due to human activities, primarily the burning of fossil fuels.

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What is the significance of the Paris Agreement?

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An international treaty aimed at reducing carbon emissions and limiting global warming to below 2 degrees Celsius.