帮忙用英语写一篇演讲稿，其内容是教师帮助学生解决问题的一二事，演讲时间在五分钟内

帮忙用英语写一篇演讲稿，其内容是教师帮助学生解决问题的一二事，演讲时间在五分钟内

In this there is also some of the carbon trading mechanisms, such as emission reductions for developed countries to bear when the emission reduction targets by developing countries to reduce subsidies in developing countries to achieve the objective of reducing emissions. The emissions of six greenhouse gas emissions which, we believe that this which can make a reduction in the amount of calculation, the total of the plate in the inside, the United States decreased by 30 million tonnes of emissions, then how such emission reductions it ? An energy efficient way, such as building energy accounted for 40% to 50%, the cost is relatively low, transportation accounted for 20% to 30% more money another waySuch as investment in new energy vehicles, this car is more expensive, the cheapest way is to segment solar, we have the economic effect of speaking, solar energy is the most economical, then the amount of building is the largest.Low-carbon economic revolution fourth birth, the first economic revolution was the steam engine, the second industrial revolution is the power, the third is the information revolution, this time in a new energy revolution, to prevent the depletion of renewable energy to prevent global warming, action to save the planet.Now countries are increasing the proportion of new energy sources, this is the year 2020 20% of transportation energy, is in change, energy consumption is also changing. New energy revolution, the top place is a power aspects, such as the United States standards, the United States in 2020 is 25%, Britain 30%, China's target is very ambitious, we feel that in the traditional economy which has reached a limit, the urban population is now an average of 200 million tons per steel, when the largest output in the United States is so grea

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