Yes, the world was a lot hotter in the distant past, but that’s because the carbon in the biosphere was gradually sequestered by natural geologic processes, leading to a gradual cooling over hundreds of millions of years. We’re now partially undoing that, by pumping and digging the stuff back up and burning it.
If fossil fuels hadn’t come along, it’s possible that the long-term cooling of the Earth would have been a problem, eventually. Nobody wants another Ice Age. But we’ve gone waaaay past in the opposite direction now. We really, really don’t want to see an “age of the dinosaurs” climate, with its pole-to-pole super-hurricanes, continent sized mega droughts, and other forms of extreme weather that human civilization has zero experience coping with.
Yes, the world was a lot hotter in the distant past, but that’s because the carbon in the biosphere was gradually sequestered by natural geologic processes, leading to a gradual cooling over hundreds of millions of years. We’re now partially undoing that, by pumping and digging the stuff back up and burning it.
If fossil fuels hadn’t come along, it’s possible that the long-term cooling of the Earth would have been a problem, eventually. Nobody wants another Ice Age. But we’ve gone waaaay past in the opposite direction now. We really, really don’t want to see an “age of the dinosaurs” climate, with its pole-to-pole super-hurricanes, continent sized mega droughts, and other forms of extreme weather that human civilization has zero experience coping with.