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. While climate change is a natural phenomenon, human activities have been a major driver of recent changes.

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What are greenhouse gases?

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Greenhouse gases are gases in Earth's atmosphere that trap heat. They include 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 greenhouse gases trap heat in the atmosphere, keeping the Earth warm enough to support life.

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What is the cryosphere?

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The cryosphere includes all frozen water on Earth, such as glaciers, ice caps, and sea ice.

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What is the hydrosphere?

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The hydrosphere encompasses all water on Earth, including oceans, rivers, lakes, and water vapor in the atmosphere.

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What is the lithosphere?

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The lithosphere is the rigid outer layer of the Earth, consisting of the crust and upper mantle.

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What are the effects of climate change on sea levels?

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Climate change causes sea levels to rise primarily due to melting ice sheets and glaciers, as well as the thermal expansion of seawater.

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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, particularly the emission of greenhouse gases.

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What is deforestation?

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Deforestation is the clearing or thinning of forests, which contributes to climate change by reducing the number of trees that can absorb CO2.

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What is acid rain?

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Acid rain is precipitation that is significantly more acidic than normal, often caused by emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) from human activities.