Book Creator

Australia study

by TIAN Jingcheng

Pages 4 and 5 of 29

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Climate has changed throughout Earth's long history, but this time it's different.

Human activity is causing worldwide temperatures to rise higher and faster than any time we know of in the past(Bockris, 2018).

The choices we make today could reduce the chances of the serious consequences.

But it will take everyone working together around the world.
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Global warming and greenhouse effect
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Global warming: The increase in Earth’s average temperature over a long period of time(Springer, 2021).

The greenhouse effect works much the same way on Earth. Gases in the atmosphere, such as carbon dioxide, trap heat similar to the glass roof of a greenhouse(Sebo, 2021). These heat-trapping gases are called greenhouse gases.
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