Juliet Eilperin and Steven Mufson present the complex debate surrounding construction of the Keystone pipeline between Canada and the United States.

Ray Takeyh argues that despite economic sanctions and other attempts to curtail technological development in Iran, its nuclear program has grown in sophistication and capability over the past two decades.

Michael A. Levi says that when it comes to Iranian nuclear capability, "Distinctions between zero, limited and robust enrichment, and between all of these and a nuclear-armed Iran, really matter."

Duke Energy's Chairman, President, and CEO Jim Rogers discusses the future of energy in the United States with CFR's Senior Fellow for Energy and the Environment, Michael Levi.

Nuclear expert John Ahearne says critics should be careful about drawing conclusions when so much remains unknown, but regulators will need to proceed with safety reviews to bolster public confidence.

President Obama's new tack on boosting oil and gas production marks a welcome strategy shift but he still must flesh out details while facing obstacles from the left and right, says CFR's Michael A. Levi.

A week after Japan's catastrophic earthquake and tsunami, Japanese officials struggle to contain a widening crisis at the Fukushima Daiichi nuclear plant. CFR's Senior Fellow for Energy and the Environment, Michael A. Levi, discusses the global responses to Japan's nuclear crisis, and what it means for the future of nuclear energy.

Clive Cookson breaks down the situation at Japan's Fukushima plant and the implications for the future of the nuclear industry.

As fighting continues across Libya, CFR's Senior Fellow for Energy and the Environment, Michael Levi, says the main cause of volatility in oil markets hasn't been the physical impact on oil production. So long as oil prices do not remain high over time, Levi does not expect economic growth to be impacted.

Bernard Weinstein argues that America must revise it's domestic energy policy in order to circumvent high energy costs and homeland security threats.

Timothy Gardner and Charles Abbott report that the US will have a harder time forestalling on ethanol usage, even as food prices soar worldwide.

Will a Middle Eastern oil disruption crush the economy? New research suggests the answer is no -- and that a major tenet of American foreign policy may be fundamentally wrong.

Catherine Collins and Douglas Frantz explain how, "The damage done by rogue Pakistani scientist A.Q. Khan's network show that nations must put aside their individual interests to stop proliferation."

Emma L. Belcher discusses the benefits that will come from failure of the United States' new fuel swap proposal with Iran.

United Kingdom's foreign secretary,William Hague, discusses the urgency of an international climate deal in which all countries accept responsibility for climate change, enforce a more robust framework for high growth and low carbon economic models, and ensure a new sustainable pathway to prosperity and security.