Erm, if it happened to a larger extent without us, my point is forces larger than man’s impact are at work. I am not trying to defer blame, but show, the larger influences at work with or without man. We don’t have the resources to reverse impact of solar cycles or axis wobbles, no matter how many cars we convert to electric. Sometime in the future these cycles will swing the other way with or without us breaking the bank unto economic ruin. Absolutely we need to go with alternative energy as soon as they are competitive in the market place, however wind and solar do not have a zero impact footprint especially with the rare earth metal mining around the world which is hugely polluting, not to mention the lithium mines in third world countries for electric car batteries. AND where does the power come from to charge electric car batteries? We will get to cleaner energy by market forces, and then the larger climate forces will still be in a warming mode until those cycles swing.
The US is already one of the cleanest air countries on earth, and we are 25 to 30 trillion dollars broke as China and India get a pass for the next 20 years to do what they want and belch out whatever CO2 they want. As I’m sure you know, their CO2 mixes in the entire world’s quantity of atmosphere. It doesn’t just affect China and India’s air. There has been tremendous progress in fuel efficiencies and such in this country in just 2 or 3 decades. My car gets 3 times the mileage of any car I owned in the first 30 or so years of my life.
Also, we haven’t got a clue what the accurate average global temp was accurately 100 years ago, with the advancement of accuracy in measuring techniques, technology and number and variety of testing sites. No the science is not settled no matter who screams and how loud one screams. By the way Florida should have been under 5 to 10 ft of sea water by now. What happened? Was that science settled?
We are likely not going to get there without MORE nuclear power that a lot of people are fearful of, so natural gas will likely be one of the cleaner, lowest CO2 polluting energy sources for several decades. The more we depend on wind and solar, the more we will be subject to rolling blackouts because our power grids need on demand energy or peaker capacity that only fossil fuel plants and nuclear can provide. Maybe there is a yet discovered energy source, but until then we are kind of in a pickle. AND a city like New Orleans is out to lunch living several feet below sea level in a bowl in a region that is at the same time freakin’ SUBSIDING. One might have to sacrifice unbearable humidity and alligators and move inland just a smidge.