1) Pollution was not such a serious problem before, bacause people used to live in uncrowded rural areas and didn't have as many machines, as they have now.2) People have bacome alarmed with the danger of pollution since the late 1960′s.3) Environmental pollution can cause extinction of different plants- and animal species, illness, and even death.4) Pollution is a very complicated problem because all the things that contribute to pollution are a necessary part of the modern world. The today's mankind can't simply imagine living without cars and factories. (However, this text must have been a way too old, most of the first-world countries are pretty much capable to deal with their ecological situation, that includes making energy of waste, etc.)5) Pollution can't be stopped immediately, because people would have to stop using many useful things.6) Government can pass the laws that would conduce to reducing of pollution. Individuals and groups of people can work together to persuade enterprises to stop polluting activities. а теперь мои вопросы:1) Если у Вас есть перевод, в чём проблема ответить на эти вопросы? Там же метод Ctrl+c, ctrl+v.2) Если Вы хотите, чтобы на вопросы ответил кто-то другой, то зачем предоставлять перевод? Задача от этого не становится ни легче, ни сложнее.