renewable energy standard
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Know your solar
Concerns about global warming, rising fossil fuel prices, and oil insecurity have prompted calls for a new energy economy, one that replaces fossil fuels with renewables. The sun is an enormous reservoir of energy; in fact, the sunlight reaching Earth in just one hour is enough to power the global economy for a whole year. […]
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A messy but practical strategy for phasing out the U.S. coal fleet
By 2030, we have to stop emitting greenhouse gases from coal. That conclusion is most famously associated with NASA’s climate chief James Hansen, but Hansen is not alone. In a recent paper, nine other climate scientists — David Beerling, Robert Berner, Pushker Kharecha, Valerie Masson-Delmotte, Mark Paganini, Maureen Raymo, Dana Royer, Makiko Sato, and James […]
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Sen. Mark Udall: “I think it’s crucial to price carbon”
Sen. Mark Udall (D-Colo.)Mark Udall — son of legendary enviro-friendly Arizona Rep. Morris “Mo” Udall — had been a member of Colorado’s House delegation for 10 years when he won the race to replace retiring senator Wayne Allard. Just 17 days into his first term, Colorado’s other senator, Ken Salazar, left to head up Obama’s […]
