Paris climate talks: what world leaders say about the planet's future

Some 150 world leaders from US President Barack Obama to Prime Minister Enele Sosene Sopoaga of Tuvalu gathered in Paris on Monday to open a summit meant to secure the world's most ambitious pact on climate change.

Below are select comments and quotes from the speakers:

German Chancellor Angela Merkel delivers a speech during the opening session of the World Climate Change Conference 2015 (COP21) at Le Bourget, near Paris, France, November 30, 2015. [Photo/Xinhua]

CHINESE PRESIDENT XI JINPING:

The Paris climate change conference should reject the narrow-minded mentality of zero-sum game, Xi Jinping said, urging all countries, developed countries in particular, to assume more shared responsibilities for win-win outcomes.