The more diverse our biomes are, the more security they have against species extinction and threats to their food webs.

我们的生物群落越多样化，它们就越能抵御物种灭绝和食物网受到的威胁。

That if temperatures rise higher, the risk of species extinction and catastrophic impacts on human lives increases dramatically.

如果温度升高，物种灭绝和对人类生活造成灾难性影响的风险会急剧增加。

But since the 1930s, Chester Zoo has grown a reputation as one of the best in the world for conservation, with a targeted aim of preventing species extinction.

但自20世纪30年代以来，切斯特动物园已经成为世界上保护动物最好的动物园之一，其目标是防止物种灭绝。

Zhao Xinquan, a researcher with Qinghai University, said that the restoration of the snow leopard population in the park is made more remarkable against the backdrop of global biodiversity loss and accelerated species extinction.

青海大学研究员赵新全表示，在全球生物多样性丧失和物种灭绝加速的背景下，园区内雪豹种群的恢复更加引人注目。

182.The issues that we can't hope to solve without an increasing public awareness and concern are pollution, species extinction, increase of wilderness, loss of farmland and soil.

没有日益增加的公众意识和关注，我们是无法解决污染、物种灭亡、荒地增加、农田和土地的流失的问题的。

Its main objective is to help the National Park Service adjust to the increasingly rapid changes and try to reduce risks, whether it's drought, fires or species extinction.

其主要目标是帮助国家公园管理局适应日益迅速的变化并努力降低风险，无论是干旱、火灾还是物种灭绝。

As well, paleontology has provided a fundamental, sobering, contribution to human thought: the reality of species extinction and thus of a world that has dramatically changed over time.

此外，古生物学对人类思想做出了根本性的、发人深省的贡献：物种灭绝的现实，以及世界随着时间的推移而发生巨大变化的现实。

I've spent most of my career focused on biodiversity conservation and documenting the risk of species extinction in plants and animals, and working to prevent extinction, because we actually have two crises underway right now.

我职业生涯的大部分时间都专注于生物多样性保护和记录植物和动物物种灭绝的风险，并努力防止灭绝， 因为我们现在实际上有两个危机正在发生。