Here's What the G-20 Nations are Pledging on Climate Change

As of Thursday, the UN had received 134 submissions, representing the actions 161 nations are prepared to take as part of a the new agreement, which would be the first to bind all nations to limit their emissions. The 10 biggest emitters have all submitted pledges, with Iran, the 11th biggest, the largest yet to do so. Iranian envoy Majid Shafie-Pour said last month the plan is to do so by mid-November.