什么是生物多样性？

Biodiversity is the variety of all life on Earth – it's thousands of habitats and millions of species.,生物多样性指地球上所有生命的多样程度，蕴含数千个栖息地和数百万个物种 。, ,And it's in trouble.,而生物多样性现正告急
。, ,We depend on biodiversity for food, water and medicine, but also to help fight climate change.,我们不仅依靠生物多样性获取食物 、水和药品 ，还依靠它帮助应对气候变化。, ,As the world warms, its systems begin to collapse ¹.,随着全球气候变暖
，构成生物多样性的生态系统开始崩溃 。, ,Some animals are being pushed to the brink ² of extinction ³.,一些动物正濒临灭绝。, ,In order to slow down the rate of biodiversity loss, we need to cut emissions ⁴ of greenhouse gases.,为了减缓生物多样性丧失的速度，我们需要减少温室气体的排放
。, ,And we need to restore and protect habitats.,同时 ，我们需要修复并保护栖息地。