The Zika virus, which has been found to cause severe birth defects, has spread across the Americas, prompting the World Health Organization to declare a global health emergency.

President Joe Biden has tapped the nation’s emergency reserves several times over the past year. The Strategic National Stockpile is just one of the reserves that the United States maintains for econ…

With the U.S. national debt already exceeding $16 trillion, President Trump’s tax reform and budget deals with Congress have added to the country’s deficits. CFR explores the origins of the national debt, the risks it presents, and the outlook for change.

Responsible for powering the country and its economy, the U.S. energy grid has come under increasing strain due to climate change, and the threat of cyberattacks looms.