DHAKA – We humans do not only share the planet with a range of other species, including plants, animals, and even microbes; we also depend on them for our survival. Can we determine the economic value of protecting the natural world?
达卡—我们人类不但与其他各物种——包括动物、植物乃至微生物——分享地球；我们还需仰仗他们生存。我们能够计算保护自然界的经济价值吗？