A one-hour online conversation using the hashtag #SustainableDC in support of the development of the Mayor’s comprehensive sustainability strategy. The event will be hosted by @OPinDC and @DDOE_DC, and anyone with a Twitter account can participate in the discussion. To facilitate the experience, the platform TweetChat (www.tweetchat.com) should be used by participants. Participants are encouraged to interact by using mentions (such as @mayorvincegray), and directing comments and questions at one another. During the conversation, the Directors of OP and DDOE will answer questions and receive feedback about Sustainable DC.