"Supports Green Initiatives" designates a hotel's participation in an optional environmental program that includes the use of energy-efficient lighting, guestroom towel/linen re-use, and on-premise recycling. "Supports Green Initiatives" does not represent an official certification of any kind.
Do you enjoy riding the bikes? If yes, then you might want to check out this place called Bike and Roll that offers different types of bikes on rent for bikers of all levels. You can actually take a bike tour around the national mall and capitol hall, the supreme court, the White House, the Washington monument and many more.