AEP, Duke, Southern and Xcel Energy Inc. are asking the U.S. Supreme Court, to reverse a lower court decision in a case that alleged the utilities' greenhouse gas emissions constituted a public nuisance under federal law.

Sen. John Kerry, D-Mass., released the Clean Energy Technology Leadership Act of 2010, also known as S. 3738.

The U.S. Environmental Protection Agency (EPA) is proposing two rules to ensure that businesses planning to build new, large facilities or make major expansions to existing ones will be able to obtain Clean Air Act permits that address their greenhouse gas (GHG) emissions.

Do you agree with EPA's decision to dismiss challenges to its Endangerment Finding and assertion that evidence of climate change is growing?

Do you feel Congress will pass climate change legislation in 2010?

The Nuclear Regulatory Commission said 97 of the nation’s 104 operating commercial nuclear power plant units were performing in the two highest categories.

Analysis shows average wind speeds over parts of the UK during the past year have been at or close to historical lows. Conversely, a number of factors in the U.S. caused noticeably intensified domestic wind speeds across much of the Western U.S. compared to the first quarter of 2010.

RWE Innogy and German Pellets have inaugurated RWE's biomass-fuelled cogeneration station and the neighbouring pellet plant at the Wittgenstein industrial estate in Germany.

Spanish company Iberdrola Engineering & Construction has secured a contract for two electricity power lines, each 220 km of length in the western Mexican state of Jalisco, as well as two substations associated with the 750 MW La Yesca hydroelectric plant.

FuelCell Energy has announced the sale of a 1.4 MW DFC1500 fuel cell power plant to G3 Power Systems for installation at the Olivera Egg Ranch, a poultry farm located in French Camp, California, US.