And if you don't kill us I'll do my best to protect you.'" Swan has kept the promise, his eyes opened to environmental problems made worse by a warming climate.

VOA: standard.2009.12.10

because we haven't passed new environmental laws to help with climate change yet.

因为我们目前还没有通过应对气候变化的新的环境法。

全球变暖与国力 - SpeakingMax英语口语达人

because we haven't passed new environmental laws to help with climate change yet.

因为我们目前还没有通过应对气候变化的新的环境法。

全球变暖与国力 - SpeakingMax英语口语达人