There is no question that climate change is happening; the only arguable point is what part humans are playing in it.

There is no question that climate change is happening; the only arguable point is what part humans are playing in it.

毫无疑问，气候变化正在发生;唯一有争议的是人类在其中扮演了什么角色。

-- Sir David Attenborough 爱登堡爵士