高三英语拯救地球课件内容摘要：
forest are destroyed and fish in the lakes are killed. W A T E R In some places it’s no longer safe for swimming, nor is it safe to eat the fish. Lake Baikal, which used to be the cleanest in the world,is now polluted. Phenomena Causes Suggestions E A R T H The area of desert is growing every year. Cattle eat grass. Limit the number of the cattle. Good soil is gradually lost. Trees being cut down。 strong winds blowing the valuable soil away. Plant more trees and try to protect them. A I R Air is being polluted. Factries,power stations and cars produce a lot of waste. A lot of things have to be down to reduce pollutionn. New laws should de passed and people should realize how serious the problem is. A lot of people died from polluted air in both Russia and India. There are serious accidents that polluted the air. Trees in the forest are destroyed and fish in the lakes a。阅读剩余 0%
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