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????????????? ?????????????? ? ??????? ?????? ?????????? ????? - подобные работы
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Подобные документы
Air pollution. Deforestation. Acid rain. The "Green House Effect". Water pollution. Toxic waste pollution. Environmental movements. Rates of deforestation. Carbon Dioxide Emissions per Units of Economic Output. Increase of global surface temperature.
???????? ??????, добавлен 13.05.2005