Latest Articles
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Hawaii molasses spill less delicious, more disastrous than it sounds
The molasses is sucking the oxygen out of the water, suffocating fish, and then the decaying fish are making the situation worse.
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Golden apple or forbidden fruit? Following the money on GMOs
Surprise! When it comes to assessing who benefits the most from gene-splicing technology in food farming -- corporations? farmers? us? -- there's no consensus.
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Tar-sands oil could be coming soon to New England
But a small citizens group in Maine is pushing a ballot initiative that could undermine ExxonMobil and Enbridge's pipeline plan.
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Ask Umbra: Which carbon-offset programs are best?
A reader wants to atone for sins against the climate. Umbra helps her avoid a little fire and brimstone.
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How cities invent parking quotas, in 71 animated seconds
This short cartoon shows how cities make up parking requirements from junk science.
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Cut up your six-pack rings or seagulls will cut you
If you once accidentally discarded a set of six-pack rings and worried about strangling a turtle, you should be afraid for your own hide instead.
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Monsanto ponies up and Big Ag pulls ahead in GMO labeling horse race
DuPont Pioneer and Monsanto drop late-breaking millions into the campaign against a Washington state ballot initiative to label GMOs.
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America warming up to new hydropower
The Obama administration is pushing to install hydropower plants at existing dams, which could boost U.S. hydropower capacity by 15 percent.
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Photos and videos from dramatic flash floods in Colorado
Six inches of rain fell in 12 hours on Wednesday night in parts of Boulder County.
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Deadly 1,000-year floods strike Colorado
Flooding centered in Boulder, Colo., is so extreme that the National Weather Service called it "biblical." And it's just the latest climate-related disaster to strike the region.
