The African countries of the Sahel stand to be among the most affected by climate change. To help mitigate its effects, Beza Tesfaye argues that the United States should partner with civil society groups and expand climate adaptation and financing efforts.
As part of global efforts to curb the spread of the new coronavirus, health officials have tried a variety of contact-tracing strategies in countries around the world. Some have been success stories; others have been flops, as governments struggled to get buy-in from the public or shore up the resources needed for comprehensive tracing. Here are five countries’ experiences with contact tracing during the COVID-19 pandemic.