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随着人类社会的发展和物质文明程度的不断提高,其负面效应——环境污染、生态失衡的问题,也日趋严重。地球上的陆地,本来被茂密的森林所覆盖,但现在森林不断地被人类砍伐,林木越来越少。据有关资料介绍,世界森林面积目前每年约以1150万公顷的速度在减少。热带雨林的递减速度更为惊人,自二次大战以来的半个多世纪内差不多减少了一半。它对人类带来的巨大危害,己为越来越多的有识之土所共识。 我国幅员辽阔,人口众多,但森林资源
With the development of human society and the continuous improvement of the level of material civilization, the negative effects of environmental pollution and ecological imbalances have become increasingly serious. The land on Earth was originally covered by dense forests. However, the forests are now being cut down by humans and there are fewer and fewer trees. According to relevant information, the world’s forest area is currently decreasing at a rate of approximately 11.5 million hectares per year. The deceleration of the rainforest is even more alarming. It has been reduced by almost half since the Second World War. Its great harm to humanity has been the consensus of more and more knowledgeable lands. China is a vast country with a large population but forest resources