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.

The UN climate meeting in Cancun took modest but important steps on a wide range of challenges. But the road ahead is still rocky, writes CFR's Michael Levi.

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.

President Obama's address on the oil spill rightly focused on the immediate challenge in the Gulf, but was a missed opportunity to set a new bar for oil policy, says CFR's Michael Levi.

The nuclear fuel-swap agreement announced in Tehran put the United States in a bind. Contrary to its sponsors' intentions, it will not improve confidence between the United States and Iran, writes 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.

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.

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

This week's latest round of Iran talks seems to have done little to reconcile the two sides on the country's nuclear position, says CFR's Michael A. Levi.

Heads of fifty nations are discussing how to improve safeguards for nuclear weapons and materials. CFR's Michael Levi says these summits serve as reminders of the dangers beyond the North Korean and Iranian nuclear programs.

The Keystone XL pipeline debate shows the pitfalls of politics intruding on energy policy, says CFR's Michael Levi. He reviews the pros and cons of the issue and proposes additional steps to bolster U.S. energy security.

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.

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 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.

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.

CFR's Michael Levi says the disclosure of a clandestine uranium enrichment plant in Iran heightens suspicions the country is seeking a nuclear weapons capability, and raises new pressure for tougher sanctions.

Michael A. Levi, who directed CFR's Independent Task Force on global climate change, says the United States needs to demonstrate how reducing carbon emissions can be balanced with economic growth.

CFR Fellow Michael A. Levi says the Bali climate conference made some headway on deforestation but questions the rush to a deal on setting binding emissions targets.

Michael A. Levi, a CFR expert on nuclear weapons and technology, says North Korea may have decided to announce plans for a nuclear test to offset signs of “weakness” caused by the failure of its long-range missile.

Michael A. Levi, a CFR expert on nuclear issues, says Iran's response to the Security Council's demand to halt its nuclear processing in return for concessions appears to be a compromise between hard-liners and those who want greater engagement with the West.

Hezbollah rockets strike deeper into Israel and North Korea continues to progress with missile testing. CFR missile expert Michael A. Levi says these developments are likely to tighten U.S. bonds with allies Israel and Japan on missile defense efforts despite mixed results on technology.