For Pope Francis’s D.C. visit, environmental rally of up to 200K planned

Several environmental groups are planning a major climate rally that will draw hundreds of thousands to the National Mall on Sept. 24, the day Pope Francis speaks to Congress and is expected to address the public afterwards...
http://www.washingtonpost.com/news/energy-environment/wp/2015/08/25/for-pope-franciss-d-c-visit-environmental-rally-of-up-to-200k-planned/