So, I'll set up my Climate Change Adjustment Machine, and if you'll be so kind as to let me know when we need a tweak one way or the other, I'll just flip the switch to heat or cool, depending on where we're at. It'll have a combination dirty coal furnace / internal combustion diesel engine for global warming, and a quarter-acre greenhouse with a removable top which will release oxygen into the atmosphere when cooling is needed. Since you know when each is needed, just let me know and I'll do my part.