Photo: EPA/Flickr	
Kathleen Rest
Kathleen Rest, PhD, MPA, is a senior fellow at the Boston University Institute for Global Sustainability, and the former executive director of the Union of Concerned Scientists.
Photo: EPA/Flickr	
Photo: USDA/Flickr	
Photo: John Westrock/CC BY-NC (Flickr)	
Photo: Runar Pedersen Holkestad/Flickr	
	
	
Photo: Alex Edelman/AP Images	
Pesticide Action Network	
Photo: Airman Connor J Marth/US Air Force 	
Photo: St. Louis Circuit Attorney's Office/Wikimedia	
The EPA's Clean Air Act standards protect the health of all Americans, especially our children.
Photo: USEPA/Flickr	
X-ray of acute exacerbation of chronic obstructive pulmonary disease. Photo: WIkimeda.	
C-SPAN	
Bill Hughes, FracTracker Alliance	
Coast Guard repairs and replaces buoys and other aids damaged by Hurricane Harvey. Photo: US Coast Guard/Petty Officer 3rd Class Nathan Cox 	
	
	
The EPA's Clean Air Act standards protect the health of all Americans, especially our children.
Photo: USEPA/Flickr	
NIOSH	
Workers at Newport News shipyard in Virginia install new propellers. Photo: US Navy/Wikimedia	
Scott Pruitt testifies this week before the Senate for the first time as EPA administrator. Photo: Gage Skidmore/Flickr	
	
Photo: Petra Bensted/CC BY (Flickr)	
Dragonflylady CC BY 2.0 (Flickr)	
Photo: Mgtmail/CC BY (Flickr)