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Information × Registration Number 2117U002621, Article popup.category Thesis Title popup.author popup.publication 01-01-2017 popup.source_user Сумський державний університет popup.source http://essuir.sumdu.edu.ua/handle/123456789/65657 popup.publisher Sumy State University Description Until recently the planet was a large world in which human activities and the nature were in balance. Acid rain, global warming, ozone reduction, widespread desertification and species loss: we have to face them now. Ecology and economy are very closely connected. popup.nrat_date 2025-05-12 Close