"TOKYO — A powerful and independent panel of specialists appointed by Japan’s Parliament is challenging the government’s account of the accident at a Fukushima Daiichi nuclear power plant, and will start its own investigation into the disaster — including an inquiry into how much the March earthquake may have damaged the plant’s reactors even before the tsunami. "

"Starting Feb. 1, drilling operators in Texas will have to report many of the chemicals used in the process known as hydraulic fracturing. Environmentalists and landowners are looking forward to learning what acids, hydroxides and other materials have gone into a given well."

"Ever wondered who the big greenhouse-gas emitters are in your neck of the woods? The answer is now just a click away."

Ongoing controversy over Pennsylvania's oversight (or lack thereof) of fracking for gas in the Marcellus Shale has brought a lot of readers to the Pittsburgh Post-Gazette's "Pipeline" reporting portal. The Post-Gazette offers interactive maps of drilling data from the Department of Environmental Protection. One big problem: "DEP's production data ... says there are 495 more wells producing gas, or ready to produce gas, than DEP has recorded as ever being drilled, and 182 of those wells don't even show up on the state's Marcellus Shale permit list."
 

EPA's Toxics Releaser Inventory is the foundation of much of what the nation knows about toxic pollution. But it consists of estimates from industry, sometimes dramatically understating the extent of pollution, and omits whole industrial categories.

"Climate change dropped even further from the world's headlines and newscasts last year. Weird weather, Australia's carbon tax and Solyndra fracas weren't enough to stem a decline that started in 2009."

Leading environmental news aggregator EHN picks Fukushima meltdown, fracking controversy, the Keystone XL pipeline, widespread bisphenol A exposures, and the Obama White House's environmental ambivalence as top stories by sheer volume in 2011 media coverage.