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Climate & Energy

Mexico just shamed the rest of the world with its climate plan

Mexico is the first developing nation to make its climate action pledge ahead of U.N. talks in Paris -- and it's actually pretty ambitious.

Science

Arctic ice melt sets yet another record

This year's Arctic sea ice hit a new low.

Cities

This Texas town will get all of its energy from solar and wind

City officials say the shift to 100-percent renewable energy is a way to save cash, not the planet.

Living

I gave up my iPhone for a week, and my life didn’t end

Did the iPhone cleanse change my life? No. Was it difficult? Not remotely.

Living

What’s the most energy-efficient kind of light?

Candles? Curly-Q bulbs? LEDs? What's an eco-minded reader to do? Umbra's answer is brilliant.

Business & Technology

Solar panel owners and utilities battle it out in California

Utility companies claim solar-powered homes are raising everyone else's electric bills.

Science

This geoengineering scheme could halt climate change — but it’s probably a terrible idea

Scientist Ken Caldeira explains.

Living

Are we really still flushing condoms down the toilet?

I'm sorry -- we need to talk about this.

Cities

In San Francisco, could hanging your laundry get you evicted?

The owner of a single-room occupancy building in San Francisco's Chinatown takes aim at good old-fashioned clothesline drying.