The International Energy Agency’s World Energy Outlook 2011 is unsettling, at best: On planned policies, rising fossil energy  use will lead to irreversible and potentially catastrophic climate change. Global energy-related emissions of  carbon dioxide (CO2)  – the principal greenhouse gas  – jumped by 5.3% in  2010  to a  record  30.4  gigatonnes (Gt). In the New Policies Scenario, our central [...]