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Climate Change

Rising sea levels: It’s worse than you think

New research published in Nature Climate Change offers updated, comprehensive projections of sea-level rise over the next two centuries. The news is ... not good.


How Vancouver got its green on: A talk with Andrea Reimer

Vancouver has a plan -- many plans -- to become the "greenest city in the world" by 2020. What does that mean and how would it happen?


Crowd control: 7 billion people. One last chance to save the planet

Renowned biologist Paul Ehrlich talks about the population problem, the “gibbering idiots” who think he’s wrong, and why we’re incapable of coping with slow-rolling environmental catastrophes.

Sustainable Food

Would you eat lab-grown meat?

What if you could eat meat without causing animals to suffer? Take our survey.


Enough cheap coal: Using public lands for the public interest

Instead of auctioning federal land to coal companies, what if we used these taxpayer-owned spaces for something in the public interest -- like renewable power generation?

Climate & Energy

Bridging the emissions gap: How to get there from here, in 21 steps

There's a long way to go to cut carbon emissions and bring down long-term temperature projections. Here's a practical plan for getting started, even before the next global treaty kicks in.

Urban Agriculture

Have sledgehammer, will farm

We've covered a lot of good farmland with concrete over the years. But taking it back for urban farming may not be as difficult as it sounds.

Green Living Tips

Ask Umbra: What’s up with those ‘DO NOT EAT’ packets in shoeboxes and pill bottles?

A reader wonders what to do with those silica gel packs that come with vitamins and shoes. Umbra offers her a chill pill.

Factory Farms

Meatifest destiny: How Big Meat is taking over the Midwest

With more factory farms, bigger meat processing facilities, and growing numbers of immigrant workers, it looks like Cargill and Co. might be priming the Midwest to produce meat for the world.