Latest Articles
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How caucuses disenfranchise voters
There’s a whole lot that's wrong with the caucus system.
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What makes a city great? New data backs up long-held beliefs
Here's more proof that Jane Jacobs was right.
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How much energy could the U.S. get from solar?
There's a limit to the growth of solar, but we're not even close to reaching it.
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In the future, you may never have to do laundry again
New high-tech fabrics can clean themselves -- just add sun.
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What the NFL’s concussion scandal has in common with tobacco and ExxonMobil
Three unrelated industries have a lot more shared history than we thought.
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Leonardo DiCaprio attacks climate change deniers running for president
Will Donald Trump lash out at Leo next?
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This green entrepreneur was once an undocumented farmworker
Ruben Garcia's remarkable innovations are helping to clean up the shipping industry.
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9 figures to help you understand the state of renewable energy
A new U.N. report offers insight into countries' differing approaches to the clean energy sector.
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The bitter truth about butter’s environmental impacts
A recently converted vegan wonders if it takes more energy to produce cooking oils than it does to make butter. Advice maven Umbra Fisk says she shouldn't waffle.
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The U.S. is just pathetic on high-speed rail
In a new ranking of nations' high-speed train networks, the U.S. comes in below even Turkey and Uzbekistan.
