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).

In a recent article published in PLOS ONE, Juliann E. Aukema, Narcisa G. Pricope, Gregory J. Husak, and David Lopez-Carr address the impacts of climate change and population growth on areas with vulnerable ecosystem services and biodiversity, and in reverse, how degraded ecosystem services effect vulnerable populations. The authors analyze locations between 50 degrees latitude north and south that had changing precipitation patterns in the past 30 years.

The world’s ocean fish stocks are “on the verge of collapse,” according to a special report from IRIN. Already small fishers in poor countries are reeling, turning to ever-more destructive techniques and suffering from poor health and dwindling livelihoods.

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).

Ten years ago, amateur tilapia farmers in China were able to dig a pond, fill it with fish, add antibiotics and chemicals, and a few months later sell the fish to numerous unregulated processors. In those early days, fish farming created a great economic boom for first-time aquaculture farmers.

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.