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Perry World House is the University of Pennsylvania’s hub for global engagement. It contributes a regular column to The Bulletin on the implications of emerging technologies for global politics. Follow Perry World House at @perryworldhouse.
US steps to demonstrate resolve in the face of North Korean nuclear threats come with potential dangers.
ISIS, Ukrainian separatists, and other armed groups are launching more and more drone attacks, but the militaries fighting them have options.
Sub-national governments are mobilized and innovative, but we need strong national and international policies to curb global carbon emissions.
The world is urbanizing and so is warfare. Emerging technology can both exacerbate urban conflict and help alleviate suffering.
Governments should use an upcoming conference to curb the spread of arms that target the central nervous system.