But now the world environment is weakening, so there's uncertainty there.

但现在世界环境在变弱，所以存在不确定性。

Raising animals to be eaten already has huge effects on the world's environment.

饲养肉用动物已对世界环境产生了巨大的影响。

And although the first amniotes evolved in the Carboniferous, it was during the Permian that they started taking over the world's land environments.

尽管第一批羊膜动物是在石炭纪进化而来的，但它们是在二叠纪才开始占据世界的陆地环境。

Here I'm referring to the failure of the West to react intelligently and thoughtfully to a new world environment that's obviously been created by the return of Asia.

在这里，我指的是西方未能对明显由亚洲回归创造的新世界环境作出明智和深思熟虑的反应。

" If current trends continue, and the world fails to improve patterns of production and consumption, then the state of the world's environment will continue to decline, " warned UN executive director Achim Steiner.

联合国执行主任阿齐姆·施泰纳警告说：“如果目前的趋势继续下去，世界不能改善生产和消费模式，那么世界环境状况将继续恶化。”

The aim of this day is to urge local action and increase awareness about the state of the world's environment. The creation of Earth Day is widely considered the beginning of the modern environmental movement.

这一天的目的是敦促当地采取行动并提高对世界环境状况的认识。地球日的创立被广泛认为是现代环保运动的开端。