"LE BOURGET, France — From deserts encroaching on African farmland to rising sea levels shrinking islands of the South Pacific, leaders of poor nations most affected by climate change shared their stories of global warming with leaders of some of the richest on Tuesday."

"Some 180 countries have already presented plans to cut or rein in their climate-warming greenhouse gas emissions. That's a huge step forward for the U.N. climate talks but a host of difficult issues remain to be resolved before a new climate agreement can be adopted in Paris."

"France has put 24 green activists under house arrest ahead of the United Nations climate talks, using emergency laws put in place following the Paris shootings, Interior Minister Bernard Cazeneuve said on Saturday."

"Getting the world’s governments to reach a global agreement at the United Nations’ climate conference in Paris is going to require careful politics, but the effort may be up against an even tougher challenge: mathematics."

"This time, it's a hotter, waterier, wilder Earth that world leaders are trying to save."

"As world leaders converge on Paris for historic climate talks, a coalition of governments and private investors is preparing to launch major research initiatives that seek to pour billions of dollars into an urgent search for solutions to global warming."

"When the government said they couldn’t march, activists covered the Place de la République with shoes—and an estimated 10,000 people gathered to form a human chain."

"PARIS — President Obama and more than 100 world leaders will convene with thousands of diplomats on Monday on the outskirts of Paris to open two weeks of intense negotiations aimed at forging an accord that could begin to avert the most devastating effects of global warming and redefine the economy of the 21st century."

"US president salutes French people for going ahead with crucial climate talks in his address to heads of state on first day of the conference".

"Two new reports underscore how important Paris climate talks could be for accelerating efforts to end deforestation, a major contributor to climate change."