By Zack Colman - 02/20/13 07:44 PM EST
Gore has pushed to make sure President Obama doesn’t ignore carbon emissions, either.
The former vice president has long prodded Obama be more forceful on climate change. He and green groups want the president to use executive authority to curb emissions with Republicans appearing to close the congressional route for climate action.
After president’s January inaugural speech, in which Obama devoted significant time to climate issues, Gore expressed optimism about the prospects of seriously addressing climate.
Aside from climate, Gore’s "Jeopardy!" appearance also touched on China’s emergence as the world’s top manufacturer, outsourcing, erosion of topsoil and thermodynamics.
— This story was updated at 3:38 p.m.
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