And these people deem us science deniers?
No worries. 2 weeks from now, they’ll say Pluto went extinct due to the previous Pluto inhabitants driving V 8’S.
How productive is this line of thought? Stop worrying about Mars millions of years ago. Mankind is not in control and it is ridiculous to think We are in control. Our immediate environment is fair game, however, it is counterintuitive to want the US (with EPA, DNR, etc.) to send all of our manufacturing to countries that do not even try to keep our environment clean (like Communist China).
No kidding, huh? I mean I tend to believe there must be life on other planets and likely some of many forms could be much more advanced than us but my belief is based on the number of planets out there and math. The chances would be high.
That said, these people are really stretching it - actually there's nothing there for them to actually stretch. Basically they are telling a big lie and jumping the shark. The only life they suspect may have existed on Mars would be microscopic and how could that cause global warming / climate change?
Start with a theory/belief. Then cherry-pick or assume you facts. Rinse, repeat.