【正文】 loped to use the existing waster resources, for example, turning sea water into fresh , we must stoop water pollution by but not least, it’s everyone’s responsibility to make good use of water, such as recycling and saving water in our daily conclusion, people around the world should be aware of the real situation of water shortage, protect the present water resources and explore potential ones global warming and our lifeGlobal warming has quickly bee one of the most heated the development of the economy, the emission of the green house gas, consisting ofabout 70% carbon dioxide, has been increased, attributing greatly to the global warming is the slow and steady increase in the temperature of earth and its increase in the temperature of earth has caused many effects like the melting of ice in Polar Regions, increase in disease occurrences, drastic climatic changes and rise of the sea the effects of global warming is being more and more evident, many of us have started to realize that steps have to be taken to control Global warming, such as the usage of clean energy resources and the alternative of One possible version:Dear editor,The curtain went down on the Copenhagen climate summit, leaving the world concerned more about global warming once is well known, it is human activity that has contributed to this burning of fossil fuels like coal, natural gas and oil produces greenhouse huge quantities of extra carbon dioxide are put into the atmosphere, more heat energy tends to be trapped in it causing the global temperature to go , the attitudes of scientists towards this rise are pletely the one hand, it’s predicted that there may be a rise of several metres in the sea level, extreme climate change or the disappearance of the other hand, it’s supposed that the rise will make plants grow quicker and produce more, thus encouraging a greater range of seems that the topic is controversial and there is a long way to go.第五篇：英語作文全球變暖12月英語四級考前密押作文十三：全球變暖Directions: For this part, you are allowed 30 minutes to write a short essay on the topic Environmental should write at least 120 words following the outline given Environmental ProtectionNo one，regardless of race, religion or nationality, can deny that the world we live in is being increasingly intolerable because of the effects of global to many experts, even greater impacts are still on the are numerous causes for this one hand, humanrelated emissions of carbon into the atmosphere is causing, and will in the future cause, significant global warming according to the the other hand, the lack of knowledge about the importance of protecting environment hinders the solving of the It is urgent that immediate and effective actions should be taken right , more trees need to be planted to help improve and beautify the , stricter laws concerning global warming and irresponsible use of fuel resources have to be put into effect and achieved good a word, there is a long way to go before we can take a fortable world for granted ：環(huán)境問題也是四級作文命題重點話題之一。大學英語四級考試曾經(jīng)考過Make our Cities ，全球氣候異常，造成許多自然災(zāi)害的頻繁，保護環(huán)境刻不容緩，已成為全社會乃至全人類共同關(guān)注的熱點。