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.

Health experts are already calling 2015 one of the most complicated ever for influenza outbreaks, and the prevalence of lethal strains normally found in birds is especially troubling, writes CFR’s La…

The Sochi Olympics have placed a spotlight on the poor global standing of Russia under Vladimir Putin, whose policies are likely to damage relations with the West long after the Games are over, write…

The UN climate meeting could show progress on outstanding issues from previous rounds, but negotiators are focused on modest steps forward rather than major breakthroughs, says CFR’s Michael Levi.

The results of Ukraine’s presidential election, which will go to a runoff on February 7, show unhappiness with Viktor Yushchenko’s government, but are also a mark of Ukraine’s independence.