This study investigates the environmental and economic implications of the Paris Agreement using G-Cubed, a multi-country, multi-sector model of the global economy. It simulates policies that would achieve the commitments of countries in each of the regions and estimates how much global carbon dioxide emissions would fall relative to what would happen without those policies.

The Doha climate talks in December 2012, wrapped up lines of negotiation that were begun years before in Bali. Negotiators resolved contentious questions about the future of the Kyoto Protocol and finally put the constraints of the Bali agenda behind them. Now they need turn to developing by 2015 a new agreement under the United...