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A nonprofit, independent media organization dedicated to telling stories of climate solutions and a just future.
A reader wonders if there a way to keep the cold out this winter. Umbra is just getting warmed up.
More than 300 green groups release a letter saying no to nuclear, and climate scientist Ken Caldeira defends his reluctant support for the technology.
Steve McQueen's masterful film shows how subjugation of human beings went hand-in-hand with the ravaging of the Southern landscape -- a story that still echoes today.
Physicist and former climate denier Richard Muller is now gung ho about natural gas, and he thinks you should be too.
Note: There's a terrible, terrible drought going on in Texas.
While skeptics doubt and cynics yawn, one conservative pundit sees the movement to get colleges and governments to sell their fossil-fuel holdings as a potent threat.
Community renewable energy has significant political and economic benefits, but is often hindered by five major barriers. Read on for...
Legend says that naughty kids get a lump of coal in their Christmas stocking, so do nice kids get clean...
The state of Maryland has given a New York-based company the go-ahead to build a garbage incinerator near two public schools. Students have a few things to say about the matter.