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Business & Technology

We can’t solve our environmental problems without business

“If business isn’t developing solutions to our sustainability issues, they won’t be developed,” says Andy Hoffman, a professor of sustainable enterprise at the University of Michigan.

Food

The perfect Fourth of July side dish

Planning to grill on the Fourth? This foolproof summer side will please a crowd (and you only need to buy four ingredients).

Fossil Fuels

The new fossil-fuel glut: Less glutty than you think

Michael Liebreich, head of Bloomberg New Energy Finance, talks with David Roberts about whether this supposed "oil glut" deserves the hype.

Politics

After the Earth Summit, young people push for real change

World leaders failed to deliver in Rio. But there was other progress, and a call for fundamental economic change. Now, says one young observer, it’s time to raise some hell.

Food

Primal time: How green is the ‘caveman diet’?

A curious eater visits PrimalCon and wonders: Is it possible to stick to the paleo diet without ruining the environment?

Green Living Tips

Ask Umbra: Who doesn’t celebrate the Fourth of July with rats and dandruff?

Readers launch a volley of questions at our green advice columnist. She responds with a veritable anthem of eco-smarts.

Locavore

Local haterade: Authors say locavores do more harm than good

In their book, "The Locavore's Dilemma," Pierre Desrochers and Hiroko Shimizu argue that a widespread embrace of local food could have "disastrous effects." We wanted to know more.

Politics

The Earth Summit debacle: Why our leaders don’t have game

Predictions that the Rio summit would fail became a self-fulfilling prophesy, says one young activist. But that failure can also be a catalyst for change.

Climate Change

Three ways robots can help us deal with environmental catastrophes

Since natural disasters will only increase as the planet warms, engineers are focusing on how to use robots and other mechanical gadgets to aid in disaster response.