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The atmosphere is a layered envelope of gases surrounding Earth, essential for life, climate regulation, and shielding from solar radiation. For a detailed description, click on the article title.
The greenhouse effect traps heat in Earth’s atmosphere, warming the planet; human activities have intensified this process, driving global warming. For a detailed description, click on the article title.
The process by which green plants use the sun’s energy to combine carbon dioxide with water to give off oxygen and produce their own food supply.
A proposed mechanism for reducing total global greenhouse gases in which each country would be assigned the right to emit a certain quantity of carbon dioxide, according to its population size, setting the total at an acceptable global standard.