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城市垃圾是一个关乎生态环境的重大问题,如果处理不好,不仅会影响城市美观,还会影响到人们的健康。

侵占土地,污染土壤。全球的城市生活垃圾大多采用填埋处理,这些垃圾挤占了宝贵的土地资源,使得人地矛盾更加严峻。城市生活垃圾中的废电池、日光灯、印刷品等废弃物中所含的铅、锌、镉等污染元素会破坏土壤结构,使土壤酸化或碱化,保肥能力下降,影响作物生长。

污染大气,威胁环境。生活垃圾中近乎一半是有机垃圾,富含蛋白质、脂类和糖类等多种化合物。露天堆放的垃圾经自然发酵,会产生大量的甲烷、二氧化碳、硫化氢、氨等气体,散发刺鼻难闻的臭味。若任意焚烧垃圾,会释放100多种的有机挥发性气体,其中含有大量的致癌物、致畸物。

来源:福州新闻网
编辑:王蕾 责编:卢明铭

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垃圾分类小知识:垃圾的危害

2019-04-28 09:30   福视悦动  

城市垃圾是一个关乎生态环境的重大问题,如果处理不好,不仅会影响城市美观,还会影响到人们的健康。

侵占土地,污染土壤。全球的城市生活垃圾大多采用填埋处理,这些垃圾挤占了宝贵的土地资源,使得人地矛盾更加严峻。城市生活垃圾中的废电池、日光灯、印刷品等废弃物中所含的铅、锌、镉等污染元素会破坏土壤结构,使土壤酸化或碱化,保肥能力下降,影响作物生长。

污染大气,威胁环境。生活垃圾中近乎一半是有机垃圾,富含蛋白质、脂类和糖类等多种化合物。露天堆放的垃圾经自然发酵,会产生大量的甲烷、二氧化碳、硫化氢、氨等气体,散发刺鼻难闻的臭味。若任意焚烧垃圾,会释放100多种的有机挥发性气体,其中含有大量的致癌物、致畸物。

来源:福州新闻网
编辑:王蕾 责编:卢明铭

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