Justine Adhiambo Obura, chairwoman of the No Sex For Fish cooperative in Nduru Beach, Kenya, stands by her fishing boat. Patrick Higdon, whose name is on the boat, works for the charity World Connect, which gave the group a grant to provide boats for some of the local women. Julia Gunther for NPR hide caption

A pile of debris including all kinds of plastics grows hourly at Omni Recycling, a materials recovery facility in Pitman, N.J. Plastic bags are especially problematic because they can get caught in the conveyor belts and equipment and gum up the recycling process. Rebecca Davis/NPR hide caption

In 2011, a 17-year-old named Mishka told readers of his Facebook post that his Salem, Ore., high school was "asking for a f***ing shooting." That post and other furious outbursts triggered a quick, but deep evaluation by the school district's threat assessment unit. Beth Nakamura for NPR hide caption

Aaron Reid, 20, rests in an exam room in the National Institutes of Health Clinical Center in Bethesda, Md. Rebecca Davis/NPR hide caption

Kelly Zimmerman holds her son Jaxton Wright at a parenting session at the Children's Health Center in Reading, Pa. The free program provides resources and social support to new parents in recovery from addiction, or who are otherwise vulnerable. Natalie Piserchio for NPR hide caption

A poster put out by the U.S. Children's Bureau in 1918. Francis Luis Mora/Library of Congress hide caption

Samantha Pierce of Cleveland has a 7-year-old daughter, Camryn. In 2009, Pierce gave premature birth to twins. The babies did not survive. Scientists say black women lead more stressful lives, which makes them more likely to give birth prematurely and puts their babies at risk of dying. Dustin Franz for NPR hide caption