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Interceptor missile launch.

Chinese Perspectives on Transparency and Security

UCS works to eliminate the risks posed by nuclear arsenals and nuclear terrorism, improve nuclear power plant safety, prevent the deployment of anti-satellite and space-based weapons, and enhance international dialogue on security issues.
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Two red trucks in parking lot next to school bus

Rolling Smokestacks

The Union of Concerned Scientists promotes a cleanup strategy for diesel vehicles that includes strict emission standards, incentives for cleaning up existing engines, and replacing or retrofitting older school buses.
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Napier grass

Growing Energy on the Farm

Many farmers already produce biomass energy by growing corn to make ethanol. But biomass energy comes in many forms. Virtually all plants and organic wastes can be used to produce heat, power, or fuel.
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A New Road

In the coming years, hybrids can play a significant role in addressing several of the major problems faced by the United States and the world today: climate change, air pollution, and oil dependence.