21st optimistic

Topics: Greenhouse gas, 21st century, Climate change Pages: 1 (278 words) Published: May 9, 2014
Many people are optimistic about the 21st century and see it as an opportunity to make positive changes to the world. To what extend do you agree or disagree with the optimism? What changes would you like to see in the new century? Combined question

Why + why 一般以第二个why为主
Why + what, what + why 以why 为主
Why + how 以why 为主 how (针对性 具体性 可行性)
What + why + how what (开头段) + why (主体) + how (结尾)

提到人的文章,可以从 环境,经济,文化,政治,科技,和医疗方面入手.

环境现状:
Prior to/ by the end of the late 1990s, a wide range of irresponsible human and industrial activities, as well as increasing social expansion/ urbanization, has gravely/ severely endangered/ wounded/ scarred the blue planet we call home and the already fragile/ weak/ gentle eco-system. To be more specific, the dependency on fossil fuels has produced the climate change, the worldwide greenhouse effect, El Nino, melting ice caps, rising sea levels, ozone depletion, crop failure; deforestation and the loss of wetlands for housing development and industrial factories has fundamentally uprooted the home of most wild species; the overuse of natural resources, especially in a wasteful manner, has at so many levels broken down a balanced environmental system; Industry waste made the valuable land, water system and air unusable. However, fortunately, the environmental groups, government offices, and concerned individuals, after years of efforts, are gradually and successfully promoting a green, eco-friendly lifestyle, the importance of recycling, almost stopping industrial pollution, illegal hunting and Japanese Whaling ships, and developing safer, greener, and more effective energy sources. For this reason, I am confident that it is not an overly optimistic future in 20 or 30 years when the rate of environmental degradation will be slowed down significantly.
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