Project Syndicate: Our Last Chance for a Safe Planet
Jeffrey Sachs, director of the Earth Institute at Columbia University and special adviser to the U.N. secretary general on the Millennium Development Goals

“…The last chance for action [on climate change] has arrived. That chance lies in Paris in December 2015, when the world’s governments meet for the 21st annual United Nations climate-change meeting. But this time will be different. Either governments will agree to decisive action, as they have promised, or we will look back at 2015 as the year when climate sanity slipped through our fingers…” (5/28).