For example, the increasing spread of desertification, land erosion, the extinction of plant and animal species, pollution of Marine and river pollution.
例如，日益蔓延的荒漠化，土地的侵蚀，动植物物种的灭绝，海洋与河流道的污染等问题。
Deforestation causes significant environmental damage, releasing enormous amounts of carbon dioxide into the atmosphere and causing the extinction of many animal and plant species each year.
毁林造成重大环境破坏，向空气中释放大量二氧化碳，每年造成许多动物和植物物种灭绝。
Scientists warn that without an agreement to reduce so-called green house gas emissions, global temperatures will continue to rise, with the catastrophic consequences of extreme weather events, the spread of drought and disease, and the extinction of plant and animal species.
VOA: standard.2009.12.09
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