Energy

The rise of zero energy buildings in the United States, and why they can exist in any climate. Read More

Sports teams -- and their facilities -- face heated competition for the title of "greenest." The latest to score points for renewable energy is the Philadelphia Eagles, whose stadium will be powered by solar and wind power. Read More

By building its new data center for energy efficiency, eBay hopes to ready itself for larger data loads while reducing its future power bills. Read More

Lego's parent company joins a growing group of corporations -- including Google, BT and Ikea -- to invest directly in large renewable-energy projects.  Read More

John Hellweg, recently retired from General Mills, shares the effort it took to complete a nearly 25-year-long process to turn a waste stream into a fuel source. Read More

Measuring and communicating the carbon footprint of consumer goods is a resource-intensive effort that may be doomed to fail. But lean manufacturing process, already widely adopted and respected, hint at what might be done with the carbon footprint concept. Read More

Rooftop solar power will supply about 85 percent of the energy used by a distribution facility in New Jersey that serves metro New York. Read More

The new cold cases for Ben & Jerry's ice cream, Klondike bars, Popsicles and other frozen treats from Unilever are designed to be more energy efficient and climate-friendly. Read More

The publication of internal documents -- which may or may not be faked -- from a think-tank that challenges the consensus on climate change reveals a great deal about the toxic debate over climate science and policy. Read More

Despite the painfully slow progress on a global transition to clean energy, there are three relatively simple ideas that, if widely implemented, could offset a big chunk of fossil fuel emissions and buy us time while we shift to clean energy. Read More