Commitment Images to increased future global warming
Sources of total committed global warming
A. Policy commitment (in order of precedence determining emissions) 1. Economic policy 2. Energy policy 3. Climate change policy B. Climate science commitment (These will all act together) o Time taken to stabilize atmospheric GHGs o Ocean & heat lag + CO2 long life - equilibrium o Unmasking of aerosol cooling o Loss of snow and ice albedo cooling o GHG feedback loops in response to global warming