Global warming has already reached a level at which serious harm is occurring

Drawn from what Bill McKibben said

What this subject means

climate change Warming and what would actually move it: emissions, carbon, and the difference between a gesture and a lever.

What Bill McKibben actually said

Word for word, with the source under each one. They did not write this page.

Do you hold this korrent?Do you also believe this?

Our reading — they may agree, disagree or merely touch the same thing. Closest first: a shared subject counts for most, then how near the wording is.