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Ask Umbra: Should I find a rideshare for my trip — or just go Greyhound?

A reader wants to know the best option for a short trip. Umbra buckles up.

Soil sorcery

The secret to richer, carbon-capturing soil? Treat your microbes well

We don't have to understand every detail of the amazingly complex soil microbiome. We just have to feed it right, and it might work wonders.


Upcycling finally gets its own reality TV show

TerraCycle hopes to upcycle the tired reality TV genre.

Climate & Energy

Conservatives don’t deny climate science because they’re ignorant. They deny it because of who they are

A provocative new study claims that conservative climate skeptics actually know plenty of science.


Make Me Care: Can ranchers and foodies be friends?

Spoiler alert: Yes.

Climate & Energy

Meet the brazen scientist who’s taking over NASA’s high-powered climate lab

The straight-talking Gavin Schmidt is the new director of NASA's climate research group. And he can juggle, too!

Please, sir, may I have some more?

California’s cap-and-trade program will fund environmental justice

The state will spend more than $800 million over the coming year on environmental programs funded by cap-and-trade, and at least a quarter of that will help disadvantaged communities.

The thin edge of the veg

Going vegetarian can cut your diet’s carbon footprint in half

A new study tells you how much your diet is warming the planet.

Climate & Energy

First Nations, first dibs, says Canada’s Supreme Court

The prospects for Canada's energy industry to pipe Alberta oil to the West Coast just got much cloudier thanks to a ruling in favor of First Nation rights.

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