Wet Christmas

The North Pole is 50 degrees warmer than usual and, um, a little damp.

Santa is in for a warm Christmas -- which is fine, because Santa is a construct.

As the Uber turns

Uber’s self-driving cars threaten to squish bike riders.

The company's autonomous vehicles have a problem with making dangerous right-hook turns across bike lanes. So do humans.

The poverty solution: Put people first

How a growing timber business revived a forest

A tiny town in Ecuador was in rough shape until residents and environmentalists came up with a successful business plan.

big game

$1 million will buy you a hunting trip with the Trumps.

The Trumps are holding a very casual, very affordable event to benefit "conservation charities."

water wars

There are over 3,000 U.S. communities with lead levels twice as high as in Flint.

Lead poisoning isn't a Flint problem -- it's an American problem.

Toy division

Your guide to buying nontoxic, kid-friendly toys

Advice columnist Umbra Fisk offers six tips for avoiding the worst playthings and finding the best.

guest post

Cities can pick up nations’ slack on combating climate change

A coalition of mayors hopes to keep warming below 1.5 degrees C.

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Dark days for the planet, maybe, but a good day for learning about dumplings.

Our weekly roundup of stories that are worth your time.

The Poverty Solution: Put People First

How food, forests, and people are connected, in 10 charts

Here's why environmentalists should cheer on the end of poverty.