"Cleanup costs at a single northern mine next to Great Slave Lake are ballooning so high they are forcing Ottawa to rethink plans for thousands of contaminated sites across the country."

"STE. GENEVIEVE, Mo. -- Ameren Missouri has spent the past four years engaged in a bitter fight with Labadie-area residents over a proposal to pile millions of cubic yards of coal ash on a plot of cropland by the Missouri River."

"President Obama on Monday designated five new national monuments, including one in Maryland dedicated to anti-slavery activist Harriet Tubman and another setting aside Washington state's San Juan Islands."

"President Obama will designate five national monuments Monday including one commemorating Harriet Tubman and the Underground Railroad in Maryland, according to several environmental groups."

"Teck Coal Ltd. is facing a massive pollution problem in the Elk Valley, where a metal-like element known as selenium is leaching out of mine sites and collecting in the eggs of fish, frogs and water birds."

"Missouri Republican Sen. Roy Blunt said on Monday that he is placing a hold on Gina McCarthy, President Obama’s pick to run the Environmental Protection Agency, which could delay a full Senate vote on the nominee."

"BILLINGS, Mont. -- A mining company plans to start exploratory work this spring on an estimated 400 million tons of coal beneath Montana's Crow Indian Reservation, adding to a spate of recent interest in the region's huge coal reserves despite flagging domestic demand for the fuel."

"YELLOWKNIFE -- Federal officials are scrambling to clean up a crumbling, abandoned northern gold mine that is in imminent danger of releasing massive amounts of arsenic, asbestos and other toxins."

"With government snow plows idled by federal budget cuts known as the 'sequester,' small Wyoming towns on the fringe of Yellowstone are organizing a private fund-raising drive for this year's spring road-clearing operation inside the national park."

"U.S. EPA will head to court [Thursday] to defend its authority under the Clean Water Act to revoke a strip mining permit issued by the Army Corps of Engineers."

"President Obama's nominee for Interior secretary was grilled this morning over how she would balance conservation and development on hundreds of millions of acres of public lands, whether she would support a carbon tax and how she would regulate the controversial technique of hydraulic fracturing."

"CARRIZO SPRINGS, Tex. -- In this South Texas stretch of mesquite trees and cactus, where the land is sometimes too dry to grow crops, the local aquifer is being strained in the search for oil. The reason is hydraulic fracturing, or fracking, a drilling process that requires massive amounts of water."

"MADISON, Wisc. -- Assembly Republicans sent Gov. Scott Walker a bill Thursday that could clear the way for a miles-long iron ore mine in northern Wisconsin, handing the GOP governor a victory that eluded him last year."

"Sally Jewell's first political test as President Obama's nominee for Interior secretary comes Thursday before the Senate Energy and Natural Resources Committee, where she will be grilled on how she plans to run the $12 billion agency that controls one-fifth of the U.S. landmass and nearly all of its oceans."

"The National Park Service would be forced to delay the opening of roads into iconic national parks including Yellowstone, Grand Canyon and Yosemite by as much as a month if Congress fails to avert $85 billion in across-the-board spending cuts, according to new information obtained by a Park Service retirees group."