2.) The reasons why the ice in the North Pole is disappearing is because the planet and its oceans are warming. This warming is caused mainly by humans. CO2 output, with the main source coming from human activities, is leading to more greenhouse effect, which is like a blanket around the planet, causing Earth to retain more of its heat, making the planet warmer.
3.) Teenagers can do a lot to help decrease the speed of global warming. One thing to do is to use less electricity. One easy example is to replace typical light bulbs with compact florescent or the even more efficient LED light bulbs. Even better is to drive in a car less, and use a bicycle, skateboard, or use more clean energy forms of transportation like the bus or trolley.
The new LED light bulbs lasts a long time, but they are expensive |
Some global warming deniers would want us to believe that humans are not causing the planet to warm, but 97% of climate scientists agree: humans are the main cause of the current warming trend. With the increase in CO2 gases, caused mainly by power plants and cars, greenhouse gases are accumulating in the atmosphere, causing more of the earth to heat up due the greenhouse effect. Go here to learn more: http://goo.gl/BpojCd
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