Nicholas Stern
The World Bank's former top economist took heat when he called for huge investments to head off climate change. Now he says he underestimated how much is needed.
Q&A
Topics
Q&A: Bill Gates
The cofounder of Microsoft talks energy.
Q&A: Bill Gross
Can a veteran dot-com investor make solar power as cheap as coal?
Life after Yucca Mountain
Geologist Allison MacFarlane on the future of nuclear waste--and what it means for nuclear power.
Gilbert Metcalf
A leading economist explains why a carbon tax is the best strategy for cutting greenhouse gases and the use of fossil fuels.
George Whitesides
The nanotech pioneer turns to energy.
Vinod Khosla
A veteran venture capitalist's new energy.
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