推荐回答（1个）
In the past decades, CO2 produced by respiration and the burning of coal, oil and natural gas has been much more than that in the past due to the constantly increasing population and booming industry. On the other hand, the vegetation was destroyed through excessive deforestation, large-scale construction of city and factories on the farmland. As a result, the transformation of CO2 into organics lost some conditions. In addition, the water area on the earth’s surface has been shrinking and the rainfall has been significantly reduced. So it’s more difficult for CO2 to dissolve in water and the dynamic balance between the production and transformation of CO2 has been tipped. The result is that the carbon dioxide content in the atmosphere is increasing every year and the temperature changed with that.
Countermeasures:
1. Comprehensive ban on chlorofluorocarbons
2. Forest protection
3. Improving the energy efficiency of vehicles
4. Improving the energy efficiency in other occasions
5. Charging duty on the production and consumption of fossil fuels according to a certain percentage
6. Encouraging using gas as the major source of energy
7. Setting emission limitation on vehicles
8. Encouraging the use of solar energy
9. Developing alternative energy
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