global warming has advantages and disadvantages, but generally speaking, the disadvantages outweigh the advantages, especially for agriculture. Due to the frequent occurrence of extreme weather events, it may cause soil drought, increased erosion, increased pest damage, decline or even extinction of agricultural biological species, and increased agricultural costs and investments. Climate warming can lead to the shortage of water resources, the increase of pollutant concentration, the increase of drought and flood disasters, and the melting of polar ice and snow, which will cause the sea level to rise, the coastal areas to be flooded and the ground to sink. In high latitude and desertification areas, the soil will become loose due to climate warming, which will lead to the decline of vegetation and the increase of sandstorm weather. Among the above-mentioned greenhouse gases, the increase of halogen carbides will also consume ozone in the stratosphere, which will reduce the ability of the ozone layer to protect people and other living things on earth from the sun's ultraviolet rays. According to a special report of the United Nations, as the global climate continues to warm, drought, flood, hunger and plague will become serious threats to mankind in the 21st century, and the frequency of heat waves and rainfall will accelerate, so the water level will rise, floods, landslides and avalanches will increase. The southern region, which often suffers from water shortage, will encounter more typhoons, droughts and serious desertification. As a result, the agricultural output of many countries will drop sharply, and there may be famine and epidemic diseases.
since the industrial revolution, with the rapid development of productive forces, human beings have become the most active factor causing global warming. If the environment can endure and recover from the slash-and-burn and deforestation in primitive times, then with the development of human civilization and the explosive increase of population, human beings greedily demand from nature, and the environment will inevitably retaliate against human beings. The "greenhouse effect" is the feedback of the environment to the "tenderness" of human beings. People should not forget what kind of consequences the average global temperature increase of these several degrees Celsius will bring to mankind.
"Water can carry a boat or capsize it". Climate is one of the environments on which human beings live. It breeds human life, all hopes and dangers. As ordinary citizens, we should regard climate protection as a kind of quality and accomplishment, because climate is related to everyone's vital interests and even life and death. We only have one earth. Only by loving the environment, protecting the climate, adjusting the relationship between man and nature, and using environmental resources scientifically and rationally can we make it benefit mankind and sprout future generations. If we blindly conquer nature, we can only bring mankind to the "happy grave".