Thanks, that's interesting. I found myself agreeing with him on some things, but he got a little too radical at the end, imo. I did find it interesting that CO2 was headed downward toward the point that plant life could no longer exist, but that human activity reversed that trend. I don't think that means we need to try to boost it further, however, but think we need to use a more common sense approach than many are advocating. We can survive and thrive at a variety of global temperatures, let's just be moderate in our approach, regardless of what we're trying to achieve. .