Reports

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.

Biomethane can be used as a direct replacement for natural gas in vehicles, yet policymakers must not conflate the two fuels because they have significantly different life cycle emissions.

SNAP is a smart long-term investment that helps millions of people stay out of poverty and lead healthier lives. We need to make it stronger, not weaker.

Drivers, electric utilities, and the environment can all benefit when electric vehicles are better integrated with the grid.

Shifting Iowa's dominant two-crop farming system toward a more diverse crop mix can be a win-win for farmers and the environment.

Is your state embracing clean energy? You might be surprised at which states are leading.

No single individual should have the authority to start nuclear war.

The NRC promotes a positive safety culture at US nuclear power plants—but it may have a poor safety culture of its own.

Congress wants a third missile defense site—but security experts, scientists, and the Pentagon all think it’s a bad idea.

Seven principles for creating a cleaner, safer, and more equitable transportation system.

California's LCFS and Cap-and-Trade Program are both essential for cutting transportation-related climate pollution.

The Obama administration made important progress on scientific integrity. We must not return to the days of rampant abuses of science.