See the full lineup of artists and performers.
Last week, the White House hosted over 250 mayors for a day of events at the White House. Check out pictures from the day.
U.S. Trade Representative Ambassador Michael Froman talks about his work with mayors to expand trade and create local jobs.
From Alabama to Guam, from Los Angeles to Philadelphia, state, local, and tribal leaders are on the front lines of dealing with extreme weather, sea level rise, and other impacts of climate change.