Israel has long been the leading recipient of U.S. foreign aid, including military support. That aid has come under heightened scrutiny amid Israel’s monthslong war to eliminate Hamas.

Nine charts illustrate the extraordinary level of support the United States has provided Ukraine in its war against Russian invaders.

Policymakers face complex cost-benefit considerations when intervening in the market to mitigate perceived risks, from climate change to competition with China.

Drone technology has been used extensively in twenty-first-century armed conflict, but the Russia-Ukraine war is driving innovations in autonomous warfare not seen on other battlefields.  

At the COP27 summit, leaders will discuss how to deal with the many consequences of climate change. These four cases show how the climate crisis is altering the threat of zoonotic diseases.