Since the Industrial Revolution, the levels of carbon dioxide (the most important greenhouse gas affected by human activity) have risen. It is very difficult nowadays not to know what are the greenhouse gases and the greenhouse effect. However, I will explain it briefly. The greenhouse effect occurs when gases such as carbon dioxide prevent that solar radiation from leaving the atmosphere, heating the surface of the earth.
This global warming has as main consequences the melting of ice caps and the rising of the risk of desertification. In fact, if you look at this map you can see that the risk of desertification in areas near to the Sahara desert are at high risk of desertification. Also almost all the Mediterranean coast is in danger. All India and the Middle East are not spared from that risk.
In this other map we can see the consequences of the melting of the ice caps: the more they melt, the more water will be in the oceans. Furthermore, the higher temperatures are, the more the water expands. So the coasts disappear under the sea.
I hope it has become clear, if governments don't do something to remedy the climate change that is what awaits us. In the following video you can see how circulates the carbon dioxide in the atmosphere during a year. As can be seen in the video, the main emitters of CO2 to the atmosphere are the United States, Europe and China.
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