Tens of thousands of people are protesting around the world to put pressure on world leaders in fighing global warming, on the eve of the UN summit in Paris.
Radio Free Europe/Radio Liberty: World climate rallies put pressure on UN summit
People play with a giant balloon representing Earth at Piazza Venezia during a rally calling for action on climate change on Nov. 29, 2015 in Rome a day before the launch of the COP21 conference in Paris.
