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Cities

Oslo builds its bees a highway of flowers

We've crowded nature out of much of our cities -- but we can always invite it back in.

Shadow of a drought

Check out this amazing new tool for judging California’s water use

As the state's drought grinds into a bone-dry summer, California is adjusting its rules. Now people have to make the new rules work.

Science

Farmed fish are breaking out of their pens at an alarming rate

Fish escaping from aquaculture pens is a really big problem, with a really great name: Fishbreaks!

Politics

5 reasons the Supreme Court’s Obamacare ruling matters for the environment

Maybe government can actually act, sometimes. And maybe common sense could become a driving force in our national decision-making.

Food

Why are bees hurting? A lineup of suspects

There are so many possible explanations for why honeybee populations have been in decline. Here they all are, carefully evaluated.

Living

Floss is good for your teeth — but is it bad for the environment?

A reader asks for alternatives to plasticky, over-packaged dental floss. Umbra sinks her teeth into some answers.

Climate & Energy

What will happen to a sinking California? Just ask San Luis Obispo

An overdependence on groundwater is costing millions of dollars in damage in the idyllic coastal town.

Living

The battle over abortion just got a whole lot weirder

Hail Satan and our robot overlords, I guess?

Climate & Energy

This chart will silence your friends who make excuses for climate change

You know all those other explanations for climate change? A brilliant infographic shows how lame they actually are.