As the 1990s drew to a close, there was a sense that much of the momentum gained at the first Earth Summit on sustainable development, a positive, affirming environmental narrative, was waning.

In recent months, the Indus Waters Treaty (IWT) has been in the headlines – and for all the wrong reasons.

As climate change threatens the stability of ecosystems around the world, the preservation of forests is seen as a “win-win” solution to curbing planet-warming emissions while producing value for developing country economies.

Global poverty has been reduced dramatically over the past two decades. Less than 11 percent of the world’s population were living in extreme poverty in 2013 compared to 35 percent in 1990. But improvements have largely come in stable countries. Many of the remaining pockets of extreme poverty are in “fragile states,” countries that are vulnerable to internal and external shocks and can easily tip into crisis when faced with an environmental, economic, social, or political change.

For weeks, the primatologists had followed a group of Grauer’s gorillas over rugged terrain – hacking through dense rainforest; following knife-edged ravines; and crossing a nearly impenetrable mountainous landscape in the eastern part of the Democratic Republic of the Congo (DRC).

It’s often assumed that in the modern era, food security is an achievable goal. But between 2007 and 2008, a confluence of conditions shook the international food system to its core, fueling unrest and riots in more than 40 nations around the world. What’s more, this “perfect storm” may have been only a harbinger of challenges to come, according to a new report by Emmy Simmons of the Center for Strategic and International Studies (CSIS).

2016 was an eventful year for the continent of Africa, with important implications for U.S.-Africa relations. The Wilson Center’s Africa Program asked experts, scholars, and policymakers to weigh in on the most important and impactful events. This collection of essays reflects on those developments and their impact going forward.