Reports & Multimedia

A 2011 UCS analysis refutes claims that China is modernizing its nuclear arsenal to achieve parity with the U.S. and Russia.

UCS coverage of the crisis that developed at the Fukushima Daiichi nuclear power plant in the wake of the March 11, 2011 earthquake and tsunami.

Wind power is one of the most cost-effective sources of electricity available, capable of generating power at prices competitive with new natural gas plants and cheaper than new coal and nuclear plants.

MOX fuel, short for mixed-oxide fuel, is a mixture of uranium and plutonium oxide. It carries risks.

A spaced-based missile defense system would require many hundreds of orbiting interceptors to defend against one or two missiles, and it would have serious inherent vulnerabilities that would render it ineffective.

A 2010 paper by UCS analyst Gregory Kulacki describing the historical and political context for discussions between the U.S. and China on cooperative space ventures.

Until permanent repository storage is available, spent nuclear fuel should be stored in dry casks, not overcrowded pools.

The first of a series of annual UCS reports on the NRC's performance in ensuring nuclear power plant safety.

This FAQ answers questions about the nuclear crisis in Japan.

The electric power sector is placing new bets on an old technology—coal-fired power plants. But current economic, technological, and policy trends make such investments exceedingly risky.

It most certainly does not—but it does change the intensity of the heaviest storms.