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A nonprofit, independent media organization dedicated to telling stories of climate solutions and a just future.
The source of the leaks isn't known, but it's enough to make scientists nervous.
More developers and property owners are committed to green building, but because it will save them money, not because it will save the planet.
A reader asks if saving the planet is better done from the top down or the bottom up. Umbra responds with a Four-Point Guide to Combating Either-Or Thinking.
Maybe it's just because their food tastes better.
A handful of California and Washington fueling stations are selling biofuel made with algae oil. Could cellulosic biofuels be far behind?
As the den mother for undercover CAFO investigators, Mary Beth Sweetland sends her employees into the field to witness acts of animal cruelty and environmental degradation.
The odds of success were long. California's flawed initiative process certainly didn't help.
The Solar Foundation estimates that 1 in every 230 jobs created over the past 12 months was in the solar industry.
The author of a much-discussed report on failed climate legislation reflects on what she's learned, and what activists need to do next.