"The concept of global warming was created by and for the Chinese in order to make U.S. manufacturing non-competitive."[0].

There are plenty of misinformed people that will gladly tell you there is no such thing and if there was human activity has no effect. Pretending that there aren't and even if the issue is complex there isn't a set of clearly wrong opinions is disingenuous to the extreme.

[0] https://twitter.com/realdonaldtrump/status/26589529219124838...