The scramble for energy alternatives has brought new focus on nuclear power in the United States, but its revival faces political and practical obstacles.

Damage to Japan’s Fukushima Daiichi nuclear power plant has reignited debate over the safety of nuclear power and highlighted questions over aging power plants, safety procedures, and waste disposal…

Peru has avoided the development problems seen in other extraction-dependent economies, but experts say the country faces governance hurdles, especially on the environment.

Interest in nuclear power is increasing, but securing adequate uranium supplies for nuclear fuel faces challenges ranging from a flagging mining sector to fears of nuclear weapons proliferation.

The countries outside of the Nuclear Nonproliferation Treaty--North Korea, Pakistan, India, and Israel--present a significant challenge for U.S. diplomacy and efforts to restrain the spread of nuclea…