"Citing last week's decision by the U.S. Supreme Court, Wisconsin Gov. Scott Walker on Monday ordered state agencies not to do any work to prepare for federal climate change regulations that would require Wisconsin utilities to cut carbon emissions from power plants."

"Residents of Flint, Michigan, began getting gravely ill and in some cases dying in summer 2014 in one of the worst outbreaks of Legionnaires' disease in U.S. history, and a county health director says attempts to find the source were hampered when the state wouldn't request federal assistance."

"White House officials began sifting through their pool of potential nominees for the newly vacant seat on the nation’s highest court Sunday, girding for battle with Republicans who are insisting that President Obama leave the choice of a new justice to his successor."

"Lawmakers grilled the head of the Environmental Protection Agency (EPA) over officials' reportedly illegal use of "covert propaganda" to promote a controversial water rule."

Gasoline refiners would blend ethanol into fuel even if the Congressionally-passed law and EPA rules didn't require it. The reason: it's needed to boost the octane rating that makes cars perform properly.

"It took Sen. Ted Cruz to finally persuade me to answer a riddle that's bothered me for years. Suppose somebody yanked away the law that currently props up the nation's ethanol industry, as Cruz has proposed. What would actually happen?

"The agency that decides what gets built and where along the California coast is facing questions about transparency after it pushed out its top executive in a closed-door vote and without a clear explanation of why the change was being made."

"President Barack Obama told supporters 'don't despair' and overreact to the Supreme Court's decision this week that temporarily blocks the administration's rules to limit greenhouse gas emissions from power plants."

"After a runaway oil train killed 47 people in Lac-Megantic, Quebec, just miles from the Maine border in 2013, Mainers demanded to know more about the state’s railways."

"Gov. Rick Snyder and other state officials allegedly withheld lead testing results from county health officials while they worked to find ways to present the information to the public, according to emails obtained by The Flint Journal."

"The U.S. House of Representatives on Wednesday easily passed a bill requiring federal environmental regulators to act faster when lead contamination is found in drinking water."