Are you kidding me? You have no idea what a herd of buffalo could do to a swath of the prairie. They de-nuded it ! Covered it in poop. Same as cattle today.
The difference? Farmers replant the pastures. Never saw a buffalo do that.

Much of the "environment" of which you are discussing was changed from something, not so comfortable to what it is today, by the existence of living organisms. All indigenous to the mother earth. According to Darwinists, we are from that gene pool and therefore NOT extraterrestrial.

While there has been a half century attempt to link climate variability to the activities of man, the science used has been proven flawed at the very least to biased at the very worst. And the most recent revelations indicate there is virtualy no connection. The validity of AGW is a politically motivated myth.

The over all climate is getting cooler, the south pole ice getting larger, the north artic cap growing again, and the deserts are turning green. Greenland ice has chased out all the gold miners and our nation suffered one of the coldest winters on record..

Meanwhile, the oceans have not risen 20 feet in Miami or at Al Gore,s California beach house. Where tonite, his lights will once again be full on during Earth Day.

It's Okay, he buys carbon credits