The Foundation of Environmental Improvement
- Nonprofit organization collecting used edible oils, waste cooking oils for conversion to biofuel. Includes contact information and agency profile.
- http://www.thefei.org

Carnegie Science Center
- Dedicated to educating, entertaining and inspiring through programs in science, sports, and technology. Includes exhibit details, hours, directions and contact information.
- http://carnegiesciencecenter.org/

Pittsburgh Tissue Engineering Initiative
- A network strategy to promote regional economic growth through the advancement and creation of university-developed technology. Includes professional activities, conference calendar, articles and contact information.
- http://www.ptei.org/

Phipps Conservatory and Botanical Gardens
- Arboretum with indoor and outdoor collections. History, photos, database of species, and information about tours, research, educational classes, and special exhibits and events.
- http://www.phipps.conservatory.org/

greenpittsburgh.net
- Interactive mapping tool provides information on area recreational, cultural, and environmental resources.
- http://www.greenpittsburgh.com/

Friends of the Riverfront
- Member-based organization works to promote public access to and appreciation of the region's river resources. Includes history, strategy, board members, upcoming events, news, volunteer opportunities and contact information.
- http://www.friendsoftheriverfront.org