This paper highlights efforts by the Downtown BID to make Downtown DC more environmentally sustainable, and thus more competitive and attractive to stakeholders, by focusing on ìthe triple bottom lineî of environmental protection, social responsibility and economic viability. The paper provides information on the Downtown BIDís ìGreening Downtown DCî initiative, a comprehensive set of programs and services where the Downtown BID serves as a facilitator and a catalyst by forming partnerships to undertake research, establish benchmarks, communicate information and convene training sessions.