Our CO2 mixes with everyone else's within a year, then hangs around for centuries like a shroud.
William H. CalvinCarbon-free energy is simply something we have to do. The time for talk is past. If we turn around net carbon emissions by 2020 rather than 2040, we get another 2° of fever rather than 3° - and that's a big difference.
William H. CalvinClimate change has a very high procrastination penalty that just grows with each passing year of inaction - rather like what happens if you don't pay off your credit card. But for climate, there is no such thing as a fresh start from bankruptcy.
William H. Calvin