9 Chemistry of the atmosphere

The composition and evolution of the Earth’s atmosphere

The proportions of different gases in the atmosphere

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The Earth’s early atmosphere

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How oxygen increased

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How carbon dioxide increased

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Carbon dioxide and methane as greenhouse gases

Greenhouse gases

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Human activities which contribute to an increase in greenhouse gases in the atmosphere

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Global climate change

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The carbon footprint and its reduction

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Common atmospheric pollutants and their sources

Atmospheric pollutants from fuels

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Properties and effects of atmospheric pollutants

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