If their 'agenda' gets in the way of their job duties, they can be fired. - Reagan fired hundreds of them.
The media sure won't expose it but reading between the lines and picking up statements they make here and there it doesn't take long to get a picture of what is going on. Federal employees should be subject to termination at the whim of the party in charge. D.C. is an out of control monster and the E.P.A. is just one agency out of many out of control agencies.