COP21: Paris climate deal 'more likely' after terror attacks

http://www.bbc.com/news/science-environment-34950442
While many leaders including Presidents Obama and Xi Jinping were always set to attend this conference, the recent violent attacks in Paris have encouraged others to come in an expression of solidarity with the French people.

http://www.bloomberg.com/news/articles/2015-11-26/india-s-modi-poised-to-make-or-break-climate-talks-in-paris 

http://www.telegraph.co.uk/news/earth/paris-climate-change-conference/11991964/Paris-climate-change-conference-Everything-you-need-to-know-about-the-UN-summit.html