"On the biggest day of climate change activism ever seen worldwide, millions of of people are joining in on Sunday, at more than 2,500 events all around the globe, using people power to put pressure on world leaders to unite in fighting global warming at the COP21 summit opening in Paris on Monday. Over 20,000 pairs of shoes were laid out in the Place de la Republique in Paris to symbolize absent marchers after France banned Sunday's march that was meant to be at the heart of the global action. To find a Climate March event near you, click here for 350.org's list or here for Avaaz's list. An estimated 50,000 people took part in a march in central London, where opposition leader Jeremy Corbyn addressed crowds."
"Thousands of shoes, including a pair belonging to Pope Francis, had been symbolically laid in the square to represent a climate march that was cancelled by authorities after the terror attacks."