And your credibility dropped to zero by conflating water with pollution. Here's
one of the first results when I googled man-made chemicals. I've previously read that there over 100,000 man-made chemicals released into the environment. If you know of a better word than chemical to use, BTW, please let me know. Here's
an overview of the current mass extinction event, started about 10,000 years ago when man really started getting down to wiping out animals, burning forrests for agriculture, etc. It's a selective list. Here's
a list of man-made extinctions, or at least the documented ones. Googling is hard, but thankfully I was here to do it for you.