The Zika virus is spreading to North America, and U.S. delays in approving research and funding could lead to a public health disaster, write Larry Brilliant and CFR’s Laurie Garrett.

At its Warsaw summit, NATO should try to find better solutions to the problem of burden-sharing and a more sustainable strategy for managing tensions with Russia, writes CFR’s Stephen Sestanovich.

The Revolutionary Guards are involved in maintaining domestic order, projecting Iranian influence in the Mideast, and presiding over major business interests. They are poised to take on a bigger role…

China is developing new tools to address its pressing environmental pollution, but these efforts are likely to be muted until fundamental changes are made to the country’s policy structure, writes CF…

India has taken a major step forward ahead of global climate talks in Paris, but the country’s clean energy strategy still faces domestic and international challenges, write CFR’s Varun Sivaram and A…