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1.Part IV. Writing Low-carbon economy has become a catchword recently. Write a composition of no less than 150 words to 1) explain the meaning of low-carbon economy 2) state the necessity of developing low-carbon economy 3) your plan or measures regarding low-carbon economy There is no denying the fact that low-carbon economy has become a family term in the past years. Basically, it means reducing the consumption of such high-carbon sources of energy as coal and oil, so as to reduce emissions of greenhouse gas and to achieve a balance between economic and social development and ecological environment protection. Low-carbon economy was put forward against the background of global warming tendency, which is challenging human survival and development. It has been recognized as an undisputed fact that, as the global population expands and the scale of economies grows, an increasing amount of high-carbon energy has been used, giving rise to a series of environmental problems, not just smog and acid rain, but also greenhouse effect and other hazards. Personally, I will drive less and walk or ride more, or at least I can travel more by such public means of transportation as the subway or bus. Besides, I shall reduce the use of such products as plastic bags, paper, disposable cups and chopsticks, and actually economize on any kind of resources. It is my firm belief that only through the concerted efforts of nations and individuals can we successfully construct low-carbon economy. | 
