The Chesapeake Bay Foundation Merrill Environmental Center located in Annapolis, Maryland and opened in 2001 was the first building to receive a LEED-Platinum rating. (Photo courtesy Chesapeake Bay Foundation)

The Chesapeake Bay Foundation Merrill Environmental Center located in Annapolis, Maryland and opened in 2001 was the first building to receive a LEED-Platinum rating. (Photo courtesy Chesapeake Bay Foundation)