Two of world's top 10 energy efficient hospitals are in U.S., according to an article on the Energy Digital website.
The hospitals were recognized for being effective at protecting the environment while maintaining or improving patient outcomes.
Martha's Vineyard Hospital in Oak Bluffs, Mass.,has its own leaching pits and bioretention areas, which it uses to remove pollutants from storm water runoff and wastewater.
The Pittsburgh Children's Hospital, in Pittsburgh, Pa., was built from post-consumer steel and other recycled materials, and all sealants, adhesives, and paint used on the building have minimal levels of volatile organic compounds.