Huffington Post: After two weeks of tense talks, word-wrangling and marathon overnight meetings, diplomats in Paris agreed to a global climate change accord on Saturday evening -- a day after the summit's scheduled conclusion.
Leaders and experts cheered the historic agreement that emerged from the 21st Conference of the Parties, or COP21, calling it ambitious and realistic, and a crucial step in protecting the Earth for future generations.
"The decisive deal for the planet is here," French President François...