Joe Romm--Senior Fellow at the Center for American Progress, former acting assistant secretary of energy for energy efficiency and renewable energy during the Clinton Administration, and author of one of the best global warming blogs out there, Climate Progress.

This week he joined Greenpeace's call for the Obama administration to commit to stronger short-term emissions reduction goals to bring his plan fully in line with the findings of the Nobel Prize-winning Intergovernmental Panel on Climate Change.

Check out his post here.