Farmland with plastic soil cover Yong Wang/ZumaPress

拯救我们的土壤

柏林—联合国宣布2015年为国际土壤年,4月19—23日将是今年的全球土壤周。这些活动也许并不十分令人着迷,但它们收获的关注与应有的不符。

完好的土壤是不可替代的无价资源,对于实现国际社会的主要发展和环境目标起着无比巨大的作用。如今,它们急需保护。

健康的土壤对于人类营养和战胜饥饿至关重要。我们不但仰仗土壤提供食品产品,也仰仗土壤制造新的饮用水。土壤有助于改变地球气候,它们所储藏的碳比世界森林之和还要多(在固碳方面,土壤的作用仅次于海洋),它们还是保持生物多样性的关键:一小撮肥沃的土壤所包含的微生物数量比地球人口还要多。三分之二的地球物种生活在地表之下。

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