water and air pollution, acid rains, a rubbish disposal, What is more, кислотный дождь, pollution of the soil, acid rains, What is more, вырубка леса, a rubbish disposal, deforestation, Unless we care about, worry about environmental problems, загрязнение земли, worry about environmental problems, reduce the amount of rubbish, landfills are enormous, pollution of the soil, переживать за, acid rains, worry about environmental problems, approach residential areas, если мы не будем заботиться о, the threats to our environment, Unless we care about, pollution of the soil, deforestation, более того, What is more, the threats to our environment, worry about environmental problems, approach residential areas, удаление мусора, approach residential areas, the threats to our environment, worry about environmental problems, a rubbish disposal, свалки огромные, deforestation, reduce the amount of rubbish, What is more, landfills are enormous, приближается к жилым местам, worry about environmental problems, a rubbish disposal, landfills are enormous, approach residential areas, уменьшить количество мусора, worry about environmental problems, approach residential areas, reduce the amount of rubbish, deforestation, угроза окружающей среде, the threats to our environment, landfills are enormous, Unless we care about, a rubbish disposal

Ecological Problems

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