The Municipal Art Society of New York

The Municipal Art Society (MAS) is New York's leading organization dedicated to creating a more livable city. For almost 125 years, MAS-a nonprofit membership organization-has been committed to promoting New York City's economic vitality, cultural vibrancy, environmental sustainability and social diversity. Working to protect the best of New York's existing landscape, from landmarks and historic districts to public open spaces, MAS encourages visionary design, planning and architecture that promote resilience and the livability of New York.

http://mas.org/