RealClimate: Losing time, not buying time

In reality, aerosol-forming emissions, short-lived greenhouse gas emissions, and CO2 emissions are seperate [sic] dials, controlling very different aspects of the Earth’s climate future. CO2 emissions play a distinguished role, because they ratchet up the Earth’s thermostat. It’s a dial you can turn up, but you can’t turn it back down. CO2 is a genie you can’t put back in the bottle.