Scientists observe biodiversity Boris Hovat/Getty Images

敲响生物多样性丧失的警钟

诺维奇—联合国气候变化会议正在德国波恩召开,全球气温的升高再次成为世界议程的焦点。但要不是气温升高影响到包括人类在内的地球上的生命,为什么还要关注这个问题?

这是一个需要考虑的重要问题,因为人们相对来说较少关注一个紧密相关、同样重要的人类生存威胁:令人吃惊的全球生物多样性丧失速度。

获得粮食、水和能源——每个国家安全的基本构成要件——取决于健康、鲁棒、多样化的生态系统以及栖息于其中的生命。但是,拜人类行为所赐,如今地球生物多样性的衰减速度比历史上任何时候都要快。但是,许多决策者仍然没有认识到生物多样性丧失的威胁,和海平面上升、极端天气事件越来越频繁等量齐观。

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