I work in the Office of Web Communications at EPA on social media. We've been on Facebook, Twitter, YouTube, and Flickr for a while and we just recently joined Foursquare. We're using Foursquare to post tips about the environment at locations in the United States and around the world. Please check out our page:http://foursquare.com/epagov
Where would you like us to leave tips? What type of information would you find...