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.

In the first half of last year, 26,000 unaccompanied children were apprehended by U.S. law enforcement trying to cross the southern border. Most came from Central American states like El Salvador, Guatemala, and Honduras. Such displacement is just the tip of the iceberg in terms of migration in the region. Many more are moving from rural to urban areas and into neighboring countries seeking opportunity and fleeing violence.

During the 2016 campaign President Trump stated that clean water would be a top priority of his administration, telling ScienceDebate.org “it may be the most important issue we face as a nation for the next generation.” Now is the time to make good on that commitment.

In 2004 I was honored to be interviewed for The Lancet medical journal’s “Lifeline” series. I had just come away from a disastrous short tenure as the interim minister of health in Iraq following the 2003 war. I had support from former Secretary of State Colin Powell to rapidly mitigate and recover the war-related destruction of essential public health infrastructure and protections required as occupiers under Articles 55 and 56 of the Geneva Conventions that follow every war.