Although reducing energy dependence remains a top priority among Americans, a debate over energy production versus environmental protection is gaining traction.

Europe's attempts to diversify its gas supplies could have unintended and negative consequences for climate progress, writes Chris Morris.

The world is facing three global water crises—it's imperative that we respond to them.

Former deputy secretary of energy Elizabeth Sherwood-Randall and Stanford University’s Scott Sagan examine nuclear weapons today and what Americans can do as arms control regimes falter.

The Summary for Urban Policymakers series grew out of a recognition of the need for greater integration of climate science with the urban perspective.

With global emissions still rising and political will waning, what can come out of this year’s international climate negotiations?