Sustainable Urban Housing: Collaborating for Liveable and Inclusive Cities
by U.S. Department of Housing and Urban Development
Ashoka’s Changemakers is looking for innovative solutions that engage communities, entrepreneurs, and key institutions in collaborating to integrate and develop affordable, inclusive, and sustainable urban housing that respects the environment, lo...
Next Generation Design Competition
by General Services Administration
Emerging designers and architects compete to turn a midcentury federal office building into a model of environmental efficiency!
Green Power Community Challenge
by U.S. Environmental Protection Agency (US EPA)
A year-long campaign to encourage cities, towns, villages, and Native American tribes to use renewable energy.
Closed
Game Day Challenge
by U.S. Environmental Protection Agency (US EPA)
Reduce waste at your college's football games!
Closed
National Historic Landmark Photo Contest
by U.S. Department of the Interior
Grab your camera and snap a picture of your favorite National Historic Landmark, our nation's most significant places.
Closed
