A quarter million people joined the Climate Action March around the world on Sep. 8, 2018, asking for immediate action to reduce climate change. In San Francisco, thousands of activists created one the largest street murals ever made, covering five blocks of city streets with dozens of colorful scenes illustrating possible solutions to global warming, all around the City Hall plaza. Each mural was designed by a different community group, and painted on the ground in large 35-feet wide circles...
