Philadelphia Energy Solutions is seen October 24, 2014, in Philadelphia, Penn.
Cars stuck in traffic at an intersection
Environmental Protection Agency (EPA) at Federal Triangle in Washington D.C.
Innovation Green Concept With Compass
Close up of wetlands water
Scott Pruitt testifies during his confirmation hearing.
Sprayer In Field CloseUp - Spraying of soy field in early summer
Waterway through grassed area
Close up of piglets