The Internet is powered by vast banks of computers which chew up energy. That's a big cost for the people who run these servers — and the earth, depending on how all the electricity is generated.

A food hackathon in San Francisco brought together programmers, designers, and investors to work on ways to improve the food system.

The fast-food chain offers Fish McBites, with fewer calories and certification that the fish is caught sustainably.

Unilever says it will stop adding tiny plastic beads that act as exfoliants to its soap products by 2015.

We won’t stop climate change through individual action alone, but together, we can make a real difference. Here are some steps to climate-friendly habits.

Low-emissions cooking aims to slow global warming one plate at a time — with good food.

Six years after enacting its own law to fight global warming, California conducts its first auction of carbon permits. Companies that give off large amounts of carbon dioxide will need permits to cover the emissions.

A faster-cooking kitchen range is the incentive for one family to switch to natural gas. But if you hope to save money, that's just the start.

Once bitter adversaries, environmental groups and global business leaders are working side-by-side on sustainability issues.

There are a lot of different dates on the food you buy at the grocery store. Learn how to decipher them and how to save food and money.