Paris police tear gas protesters as marches around the world demand climate change action
Hundreds of thousands of people around the world marched on Sunday to call for the world to take action against climate change.
The marches came a day before the globe’s top leaders are set to gather in Paris for a crucial UN summit on climate change. Protesters took to the streets in London and Berlin; in Australia and Africa and Asia, and in cities across the U.S. There were more than 2,000 events across the globe. Organizers estimated that at least 570,000 people participated.