Steven Cook is named to the Superfund Task Force, which Environmental Protection Agency chief Scott Pruitt created to revamp the agency's oversight of cleanup at more than 1,300 toxic sites.

The president has warned Congress that he will never accept another $1 trillion-plus spending bill like the one he signed in March. But Capitol Hill dysfunction could stand in his way.

Environmental Protection Agency administrator Scott Pruitt is mum on why security chief Pasquale Perrotta and Albert Kelly, a former Oklahoma banker who ran the EPA's Superfund program, have departed.

Environmental Protection Agency administrator Scott Pruitt says the standards, which would require vehicles to get 36 miles per gallon by 2025, are not appropriate and need revision.

The president appears to throw embattled Environmental Protection Agency chief Scott Pruitt a lifeline, even as a review of Pruitt's conduct by White House officials is underway.

The president tells Scott Pruitt, who is at the center of swirling ethics questions at the Environmental Protection Agency, that "we've got your back."

Security issues involving interactions with other travelers are a concern for the head of the environmental agency, who enlists a 24-hour security detail that accompanies him at all times.

Many governmental operations will continue, but the longer the closure goes on, the more likely that its impact will be felt.