求翻译：环境问题已成为全球性问题。温室效应、臭氧层耗损、生物多样性消失、水资源短缺、人口土地沙漠化以及海洋污染等一系列环境问题人类生存空间越来越小。是什么意思？

Environmental issues have become global issues. The greenhouse effect, ozone depletion, loss of biodiversity, water shortages, the population of land desertification and marine pollution and other environmental issues of human living space is getting smaller and smaller.

Environmental issues have become a global issue. Greenhouse effect, ozone depletion, biodiversity loss, shortage of water resources, population, as well as desertification, such as marine pollution a series of environmental problems human survival space.

The environment question has become the global question.The greenhouse effect, the ozone layer consume, biodiversity vanishing, the water resources short, the population land desertification as well as the marine pollution and so on a series of environment question humanity existing space getting sm

Environmental issues have become a global problem. Greenhouse effect, ozone layer depletion, loss of biological diversity, water shortages, desertification in population and environmental problems such as marine pollution human living space getting smaller and smaller.

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