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生 活 中 的 环 保 知识 PowerPoint PPT Presentation


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生 活 中 的 环 保 知识. 主讲:李海杰 2014 年 3 月. 一、世界面临的环保问题 20世纪飞速发展的工业经济给人类带来了高度发达的物质文明,但人类也处在重重矛盾之中,环境问题已经从局部的小范围发展成地区性的甚至是全球性的了,显然其影响也更广泛更深远了。当今世界正面临着以下十大环境问题。. 1 、全球气候变暖. 2 、臭氧层的损耗和破坏. 3 、生物多样性减少. 4 、酸雨蔓延. 5 、森林锐减. 6 、土地荒漠化. 7 、淡水资源枯竭与污染. 8 、大气污染. 9 、海洋污染. 10 、固体废弃物成灾. 二、我国面临的主要环境污染

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生 活 中 的 环 保 知识

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