An international food crisis is currently unfolding on a scale not seen since World War II. More than 20 million people in Somalia, Nigeria, South Sudan, and Yemen are in danger of famine. UN Under-Secretary-General and Emergency Relief Coordinator Stephen O’Brien said in March, “We are facing the largest humanitarian crisis since the creation of the United Nations.”

Water scarcity has contributed to an “arc of instability” characterized by conflict and displacement that stretches from West Africa to the Middle East, said a panel of experts at the Wilson Center on March 1. Two authors from an upcoming compilation of case studies on water security and violent conflict by World Wildlife Fund gave overviews of challenges in Nigeria and Iran and recommendations for U.S. engagement.

More than 40 years ago, the Soviet Union attempted to harness hydropower to modernize Afghanistan. Between 1960 and 1968, they poured money and technical knowledge into the 100-meter Naghlu gravity dam outside Kabul and a village for its workers called Sharnak. Although the town has been damaged and the boons of modernity remain elusive for many Afghans, the dam remains a crucial source of power for the capital and is the largest power plant in the country with an installed capacity of 100 megawatts.

MEXICO CITY – On bad days, you can smell the stench from a mile away, drifting over a nowhere sprawl of highways and office parks.

President Trump seems to conceive of domestic counter-terrorism efforts as analogous to a police roadblock. Potential terrorists, like vehicles, wait in single file, pull up to the checkpoint, are evaluated, and either stopped or allowed to proceed depending on whether they pose a threat. If only our vetting can be made “extreme” enough, we can apprehend those intending us harm.