cover story
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Apple’s recycling robot wants your old iPhone. Don’t give it to him.
Recycling electronics is a messy business.
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Debate moderators say climate questions don’t make good TV
Who cares? It’s only the fate of humanity!
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Coal’s Last Gamble: A choking industry bets on one more big score
Why can't America quit this dirty, doomed fuel?
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Inside the camp that’s fighting to stop the Dakota Access pipeline
In North Dakota, one tribe’s fight has sparked a movement.
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This playground encourages kids to use tools, get dirty, and let their imaginations run wild
The "adventure playground" trend hits New York City.
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If you think technology has no place in the national parks, think again
From smartphones to webcams, technology could help us understand — and appreciate — parks in the coming century.
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Our era’s iconic national park is hidden in New York City
Jamaica Bay is an imperiled swamp nestled next to the biggest city in America -- and it has a lot to teach us.
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Many young voters don’t see a difference between Clinton and Trump on climate
New polling makes the case that Democrats should highlight how they're different from Republicans on climate change and clean energy.
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How air-conditioning made America — and how it could break us all
AC may feel good but it comes with a host of problems.
