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If you've seen the Energy Star labels on appliances and other objects, you may be wondering what it's all about. Energy Star is a joint project between the EPA and the Department of Energy. The purpose behind this project is to make everyday items more ecologically sound while also making it easier for you to save money through improved energy efficiency.

Scientists in California have reached an important milestone in nuclear fusion research; generating more energy from a fusion reaction than transferred to the nuclear fuel. The holy grail of ignition remains elusive, but each step brings the world closer to a virtually limitless nuclear energy source with no emissions and negligible waste.

Nicknamed Cash for Caulkers, a program designed to jump-start home efficiency retrofits is backed by a coalition of companies, contractors, and advocacy groups. Read this blog post by Martin LaMonica on Green Tech.

Six of the ten biggest power stations in the US are fossil-fuelled, while the other four, including the two biggest Grand Coulee and Palo Verde, are hydro -and nuclear-powered. Power-technology.com profiles the ten biggest power stations in the US based on installed capacity.