By Seth Berkley and Jeremy FarrarGENEVA — Whether you live below the poverty line in the slums of Karachi or work as a banker on Wall Street, drug-resistant “superbugs” are among the gravest threats to your health.

By Elizabeth Radin, Miriam Rabkin and Wafaa El SadrNEW YORK — Global health is once again in the spotlight.

By Martin Guzman and Joseph E. Stiglitz NEW YORK — It has been more than a year since Hurricane Maria ravaged Puerto Rico, compounding the agony of a commonwealth that was already caught in an economic downward spiral.

By Mark Esposito, Terence Tse and Joshua EntsmingerCAMBRIDGE — Efforts to develop artificial intelligence (AI) are increasingly being framed as a global race, or even a new “Great Game”.

By Peter M. Christian and Mark ZimringPALIKIR/SAN FRANCISCO — A cluster of small Pacific islands is poised to make history in the management of global fish stocks.

By Håvard Halland and Justin Yifu Lin BEIJING — The conclusion of the United Nations Intergovernmental Panel on Climate Change’s most recent report is stark: Climate action is far more urgent than previously believed, and it must include a wide range of initiatives, from imp

By Hilal Elver and Melissa Shapiro GENEVA — Food is a powerful storyteller. Our diet signals whether we cook at home, shop locally, prefer inexpensive dishes or even think about what we eat. But the consumer side of mealtime is just one of food’s many plot lines.

By Johan Rockström, Jørgen Randers and Per Espen StoknesSTOCKHOLM — Nearly 50 years ago, the Club of Rome’s report “Limits to Growth” warned that if economic growth continued apace without regard for the environment, the world could face ecological and economic collapse in the 21

By Ann Aerts and Harald NusserBASEL — In his recent best-selling book “Factfulness”, the late international health expert Hans Rosling shows that horrors such as natural disasters, oil spills and battlefield deaths are trending steeply downward, and that harvest yields, literacy