Latest Articles
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Ask Umbra: What’s the greenest way to re-side my house?
A reader wonders if polypropylene paneling is any better than vinyl. Umbra thinks outside the box.
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Habitats for humanity: Why our cities need to be ecosystems, too
Weave nature into our cities, an urban and environmental planning professor says, and "we're likely to be better human beings."
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Has modern agriculture cleaned up its dirty runoff act?
Farmers today don't muddy rivers as much as they used to -- but the full downstream picture is still quite dark.
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Global buying spree is saving solar panel manufacturers
A year after an oversupply of solar panels triggered corporate collapses, skyrocketing demand is helping the sector recover.
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Let this mesmerizing video show you the beauty of Alaska’s ice caves before they’re gone
Icy landscapes can be stunningly lovely, and we should probably enjoy them while we can.
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From veteran organizer Marshall Ganz, how-tos for activists
From the civil rights era to the Obama campaign, one approach has consistently worked, according to Ganz: Pick a clear, specific goal.
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“The Simpsons” now has an extensive public transit system
Springfield's rail system is looking spiffed-up, with eight lines serving areas like Ethnictown, Albino Heights, and the Varmint District.
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Whoa there! State lawmakers try to make oil trains safer
The wheels of railway safety reform may be in motion in Minnesota, but they've ground to a halt in Washington state.
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Florida has just basically given up on trying to keep pythons from taking over the Everglades
The snakes are so good at hiding, even trackers with radio transmitters couldn’t spot pythons just a few feet away.
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The sharing economy is thriving in Berlin’s “borrowing shops”
At Leila, you can borrow everything from electric drills to unicycles.