英语作文 保护环境 说明文

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PROTECTION OF THE ENVIRONMENT
Nowadays protection of the environment is very important as the world is moving into a new era without considering any of the major problems of pollution with rapid industrialization.The best way to protect the environment is conservation.Conservation is the philosophy and policy of managing the environment to assure adequate supplies of natural resources for future as well as present generations.
Tropical forests are being destroyed at an ever-increasing rate.Estimates of the extent and rate of loss vary,but it appears that nearly half of the world?s tropical forests already have been lost,and the remainder will all but disappear in the next two to three decades.The loss is incalculable.These forests provide habitat for an estimated half of the world?s plant and animal species,provide water and fuel for much of the world?s population,and influence regional and global climate.Commercial logging,clearance for agriculture,
The primary conservation concern here is with fossil fuels.Solutions include improvement in the efficiency of fuel combustion,as well as more intensive explorations of alternatives,particularly from solar energy and other renewable resources.
1.The maintenance of essential ecological processes (which rain from the global cycles of nitrogen,carbon dioxide,and water to the localized regeneration of soil,recycling of nutrients and cleansing of waters and air) and life support systems,such as agricultural systems,coastal and fresh water systems,and forests.
ranching,and fuel gathering are all responsible for the destruction.Their greatest threat is acid rain pollution,which is already severely affecting large areas of the conifer forests of northeast North America and Europe.Solutions include the development of alternative fuel wood supplies through fuel wood plantations,the regulation of logging,and a consensus as to the value of f