A groundbreaking analysis of what the changes in American energy mean for the economy, national security, and the environment, authored by one of America's most prominent experts on energy's role in the world.

Michael A. Levi says that while President Obama's plan to reduce nuclear weapons is generally a  step in the right direction, a complete reduction of nuclear dangers will depend on efforts largely beyond the new strategy's scope.

Michael A. Levi and Katherine Michonski discuss the consequences of the World Bank's refusal to fund a controversial coal-fired power plant in South Africa.

The Obama administration's Nuclear Posture Review charts new positions on potential targets of U.S. atomic weapons, preventing proliferation, and developing new weapons, says CFR's Michael Levi.

President Barack Obama's move to expand oil and gas drilling in U.S. coastal waters aims mainly to build political support for his energy agenda, but will have limited impact on oil markets, writes CFR's Michael Levi.

Most discussions about using international institutions to address climate change focus narrowly on the work of the United Nations Framework Convention on Climate Change. However, many other international institutions also have a significant role to play in mitigating and adapting to the effects of climate change. This paper examines the existing climate-related efforts and capabilities, as well as the future potential, of a variety of international institutions, including those that deal with environment, energy, and economics. While there are still major shortfalls, the paper argues that there is significant existing institutional capacity to draw from in addressing climate change.

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 UN nuclear agency's new concerns about Iranian nuclear weaponization bolster the move toward sanctions but may do little to halt Tehran's activities, writes CFR's Michael Levi.

President Barack Obama's first State of the Union address focused heavily, as expected, on domestic economic recovery and reasserting U.S. competitiveness. Six CFR experts noted different aspects of the challenges facing Obama.

Micah Zenko and Michael A. Levi argue that the United States must change how it handles its nuclear arsenal.

Frank E. Loy and Michael Levi defend the so-called "Copenhagen Accord,"as "a serious step forward, if a severely limited one."

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

Michael Levi declares that "The UN process can no longer be the central focus of global efforts to confront climate change."

"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.

We should not underestimate the importance of the European Union's committment to give about $10 Billion over three years in climate assistance to developing nations, writes Michael Levi.

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.

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.

Michael Levi defends the so-called "Danish text," pointing out that its practical and important aspects are getting lost in the midst of all the controversy surrounding it.

Michael Levi comments what the EPA's recent classification of greenhouse gases as a pollutant means for the Copenhagen Conference.

Michael Levi lays out five stories that could have a significant impact on the outcome of the Copenhagen Climate Conference.