Associated Press: Tens of thousands of people have taken part in rallies around the world on Sunday, calling on leaders to halt climate change on the eve of a major conference in Paris. Because of a state of emergency in France imposed after the Nov. 13 Paris attacks, many of the rallies are taking place outside the country.
But French police and activists clashed in Paris, with riot police firing tear gas to disperse protesters throwing projectiles. Here are some of the rallies that took place on Sunday.
___...