We look back at the big moments from Wednesday's Democratic debate. Also, we look at why the Ebola outbreak in the Democratic Republic of Congo has been so difficult to contain.
In one day, Ethiopians planted more than 350 million — that's million with an M — trees. It was an effort to combat climate change and deforestation. The program has been dubbed Green Legacy.
The researchers looked at responses of 1,709 people in three countries that have undergone prolonged, brutal conflict. The findings hold encouraging news — and a cautionary note.
NPR's Ari Shapiro speaks with Sarah Yerkes of the Carnegie Endowment for International Peace about the death of Tunisia's president last week. He led the post-Arab Spring transition to democracy.
The militant group has been waging an insurgency in Nigeria and surrounding countries for a decade, killing tens of thousands of people and displacing about 2.4 million others.
"Our death rate is rising alarmingly," a U.N. High Commissioner for Refugees spokesperson says. Aid agencies continue rescue efforts off the shore of Libya, hoping to save anyone else who survived.
For children in developing countries, cancer care is largely out of reach. But new research is challenging assumptions that it's too costly and complicated.
Refugee agencies say scores of migrants have drowned off the coast of Libya, again highlighting the failure by regional leaders to address the dangerous migrant sea route.