"Who, when it comes crunch time, might walk away if they don't see the right deal?" asks Michael Levi referring to the climate change negotiations going on in Copenhagen.

With an eye on the numbers associated with emissions and climate change, Michael Levi writes that representatives at the Copenhagen conference ought to accept the United States' proposal for emissions cuts.

The UN conference on climate change that begins December 7 in Copenhagen is supposed to produce new targets for emissions reductions, but experts say major countries are at odds on the ultimate goal of a new framework. This backgrounder looks at some of their positions.

Michael Levi proposes the creation of a new multilateral mechanism for climate policy review, so as to better evaluate the success understand the viability of the climate policies of both developing and developed nations.

Experts outline some of the options the United States negotiating team could pursue during climate change talks at Copenhagen.

Representative Edward J. Markey delivers his insight into the interplay between domestic and international action on climate change.

This session was part of a CFR symposium, Countdown to Copenhagen: What's Next for Climate Change?, which was made possible through generous support from the Doris Duke Charitable Foundation, the Alcoa Foundation, and the Robina Foundation.

Experts and policymakers place the climate change negotiations at Copenhagen within a global context.

This session was part of a CFR symposium, Countdown to Copenhagen: What's Next for Climate Change?, which was made possible through generous support from the Doris Duke Charitable Foundation, the Alcoa Foundation, and the Robina Foundation.

Listen to experts and policymakers place the climate change negotiations at Copenhagen within a global context.

This session was part of a CFR symposium, Countdown to Copenhagen: What's Next for Climate Change?, which was made possible through generous support from the Doris Duke Charitable Foundation, the Alcoa Foundation, and the Robina Foundation.

Reuters tracks the negotiating positions of the top five greenhouse gas emitters ahead of the December UN Climate Change Conference in Copenhagen.

The Copenhagen conference won't solve the problem of climate change once and for all. Rather than aiming for a broad international treaty, negotiators should strengthen existing national policies and seek targeted emissions cuts in both rich nations and the developing world.

Michael A. Levi argues that the inclusion of carbon tariffs in cap-and-trade legislation would be economically damaging.

Peter A. Garretson discusses the policy considerations involved in determining an environmental estimate.

As climate change accelerates, policymakers may have to consider "geoengineering" as an emergency strategy to cool the planet. Engineering the climate strikes most as a bad idea, but it is time to start taking it seriously.

Popular Mechanics looks at the presidential candidates' positions on the Law of the Sea treaty and other issues affecting the environment.

Third session of a forum on Latin American influence on U.S. policies and politics with an emphasis on energy.

Experts discuss China's energy development and the country's capabilities for addressing climate change.

Record energy and food prices, plus a limping economy, have created new hurdles to fast action on climate change.

The Economist reports that China and India are increasingly keen to be seen to be tackling climate change. Though it is dirtier, China is making a more convincing show of action

Winkler refutes the idea that the CDM Executive Board has created perverse incentives for developing countries like South Africa not to adopt progressive national policies.

To meet its obligations to reduce greenhouse gas (GHG) concentrations under the Kyoto Protocol, the European Union established the first cap-and-trade system for carbon dioxide emissions in the world starting in 2005. This report from the Pew Center on Global Climate Change discusses the development, structure, and performance of this system to date.