"The nation’s biggest coal-burning power companies paid a top lobbying firm millions of dollars to fight a wide range of Obama-era environmental rules, documents obtained by POLITICO reveal — shortly before one of the firm’s partners became President Donald Trump’s top air pollution regulator."

"Only a few short weeks after President Donald Trump nominated David Bernhardt, a former oil and agriculture industry lobbyist, to run the Interior Department, the agency is facing a slew of new allegations that top officials violated federal ethics rules by keeping cozy ties to their former employers."

"Environmental groups are suing the Environmental Protection Agency (EPA) in a bid to ban the sale toxic paint strippers."

"Top Trump administration officials have pushed to build nuclear power plants throughout Saudi Arabia over the vigorous objections of White House lawyers who question the legality of the plan and the ethics of a venture that could enrich Trump allies, according to a new report by House Democrats released on Tuesday."

"Three environmental groups were among the organizations to sue the Trump administration almost immediately after the border wall declaration on Friday."

"The Supreme Court is taking up another far-reaching debate over the scope of the Clean Water Act."

"The Trump administration's stated goal for a rule defining which wetlands and waterways get Clean Water Act protection: Write a simple regulation that landowners can understand. ... But scientists who specialize in the study of wetlands and waterways say it's not that simple."

"Lyft is backing a legal challenge against a key part of the Trump administration’s plan to weaken fuel emissions standards for the auto industry."

"Neil Chatterjee, chairman of the Federal Energy Regulatory Commission, yesterday rebuffed calls for mandatory cybersecurity standards for natural gas pipelines, citing improvement in the industry's effort to strengthen its defenses."

"Brazilian police arrested eight employees of mining firm Vale SA on Friday, accused by state prosecutors of covering up weaknesses at a dam that collapsed and likely killed more than 300 people."