【正文】
talking. people sleeping. people visiting each other, arguing and screaming. people relieving themselves. people pushing their hands through the taxi windows, begging. people leading animals. people, people, people, people. as we drive slowly through the crowd, sounding the taxi39。s resources, its food, fuel and land, and cause the most pollution. a baby born in the united states will use in his lifetime 30 times more of the world39。t do something to protect wildplant and wildlife species will be declining. species and biological munities have difficulty adapting to change. economic opportunities and the quality of life of future generations are also put at risk. by protecting nature, we protect ourselves.let39。 harmful waste.now, we are going to talk about each sort of waste one by one.material waste: it means the waste of substance or things from which something else can be made.for example, people throw away the used metal products and buy a new one, so the old metal waste accumulates.at last, they bee waste.for example, when people finish reading newspaper, the paper will bee waste.when the glass is broken, it also bees waste.nobody wants to use a broken window or drink with a broken glass or wear a pair of broken glasses.once it is broken, it bees waste.the rate of using plastics is increasing day by day.people use plastic bags because they are convenient.when they get home, they throw the plastics way, paying no attention to the environment.the more convenience plastics brings to us, the more plastic waste is produced.this is called “white pollution” as most plastics are white.some of our products we use every day are made of rubber, just like the tyres and the bottom part of our shoes.it’s true that rubber plays an important role in our life.however, it also brings us some trouble when it has been used for a long time and bees old.the old tyres bee waste because it can’t break down by nature.this is really a big problem.關(guān)于環(huán)保的英語(yǔ)演講三分鐘相關(guān):