Надо сделать контрольную. the earth summit is an attempt to get different countries to meet together to discuss some of world's most serious environmental problems. environmental - this is a word that was used a great deal at the earth summit. it comes from the noun environment. the environment is the natural world of land, sea, air, plants and animals in which we live. there's another word- environmentalist. an environmentalist is someone whose special interest is to protect and preserve the natural world. the adjective is environmental. you will often hear this word describing issues or problems. for example, dirty rivers in britain are becoming a serious environmental problem. worries about environment have increased. people have started to talk about the things being environmentally sound. something, which doesn't harm environment, is environmentally sound. e.g. some cosmetics claimed to be environmentally sound because they are not tested on animals. a bicycle is more environmentally sound than a car. one of the problems being discussed at the summit is how to prevent different species of plants and animals from becoming extinct. a species is a group of plants or on which share the some main characteristics. an extinct species does not exist any more. e.g. dinosaurs are extinct. the convention for the protection of bio-diversity is one solution being put forward to protect animals and plants. by signing this convention or agreement a country promises to carry out a number of measures to conserve or look after the world's remaining species. however, not every country is happy with the convention. the us refused to sign the treaty and received a lot of criticism for this. and in response president bush said that the us spent a lot of money on measures to purify the air. the us also refused to sign the earth summit treaty on global warming and climate change. global warming is the increase in world's temperatures. all the industrialized countries except the us have accepted that global warming is a problem. many countries have made plans to reduce the amount of harmful gases that they release into the air. the root of the problem means the original cause of the problem. the us's opposition to the idea of specific limits of the release of harmful gases is the main obstacle to the fight against global warming. нужен правильный перевод.
