In the notes on air and atmosphere, we talked about greenhouse gases and global warming.
Gases such as carbon dioxide and methane are greenhouse gases. These gases trap heat, and keep the earth warm at night when the sun sets. Excessive amount of these gases, however, causes climate temperatures to rise, also known as global warming.
We learn about the side effects of global warming, e.g. melting of ice caps, and potentially flooding low lying areas when massive amount of them melt.
Watch the video below from National Geographic to find out more about causes and effects of global warming.
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