The Canadian oil sands present an important challenge to policymakers: they promise energy security benefits but present climate change problems. Michael A. Levi assesses the energy security and climate change effects of the oil sands and makes recommendations for U.S. policymakers within the context of broader bilateral relations with Canada.

Connections between climate change and national security are receiving unprecedented attention from policymakers and analysts. Joshua W. Busby moves the discussion from broad assessments of the links between climate and security to a plan for action. This report is also available in Chinese.

The UN climate meeting could show progress on outstanding issues from previous rounds, but negotiators are focused on modest steps forward rather than major breakthroughs, says CFR's Michael Levi.

Delegates at climate talks underway in South Africa would be better off addressing matters such as a global climate fund rather than trying to preserve the contentious Kyoto Protocol, says CFR's Michael Levi.

Pakistan's floods could presage a series of troubling natural disasters of direct concern to U.S. national security interests. Planning for them now is essential, writes CFR's Michael L. Baker.

China's newly announced goal for cutting carbon intensity reflects important Chinese policy shifts of recent years, but fails to offer significant new measures to cut emissions, writes CFR's Michael Levi.

CFR Senior Fellow Michael Levi writes that the financial crisis will affect U.S. near-term efforts to deal with energy security and climate change.

With the UN climate meeting in Doha under way, five experts discuss what needs to happen to advance a comprehensive global climate policy.

With some findings of the UN's Intergovernmental Panel on Climate Change in question, four experts debate how much the premier climate science review panel may need to make changes.

The Senate leadership's decision to shelve a cap-and-trade bill will weaken the U.S. bargaining position in world climate diplomacy, says CFR's Michael Levi.

CFR's Michael Levi says the Copenhagen climate deal is a meaningful step forward but that its ultimate value remains to be determined.

An in-depth, multimedia look at climate change, its global impact, and efforts to combat it.

Key technical, political, and legal issues remain unresolved ahead of the UN climate talks in Cancun. CFR's Michael Levi says the best outcome would be to firm up the Copenhagen Accord commitments on emissions cuts, verification, and financing for developing states.

Despite lingering uncertainty about the outcome of Copenhagen's climate negotiations, there are signs that carbon markets will continue to make gains, says World Bank carbon finance expert Joelle Chassard.

President Obama, a newly minted Nobel Peace Prize winner, now faces the daunting task of delivering on a range of challenges, especially nuclear nonproliferation and climate change, says CFR's Michael Levi.

Total CEO Christophe de Margerie says energy companies need firm direction from governments on how they should invest long term and urges global leaders to consider energy security along with the environment.

Duke Energy CEO Jim Rogers says nuclear investment and partnering with Chinese energy firms are important steps to building U.S. energy security.

CFR's Michael Levi says the Obama administration faces tough negotiations on a global climate change agreement at the December Copenhagen meeting without clear support from Congress. But he says Obama has other legislative options.

Environment minister Jairam Ramesh says India plans to outline unilateral greenhouse gas emissions cuts soon. But he says rich states must commit to greater cuts of their own before developing countries can agree on binding global targets.

CFR's Elizabeth Economy says it is "not unreasonable" to seek binding commitments from China and India on emissions that would take effect a decade from now. She also recommends decoupling China from other developing nations in climate negotiations.