Millions of mosquito nets are given out fight to malaria in Africa, yet many faced with hunger use them as fish nets, creating potential environmental problems. Video by Ben C. Solomon on Publish Date January 24, 2015. Photo by Uriel Sinai for The New York Times.

NEW YORK TIMES   by Jeffery Gettleman                           Jan. 25, 2015

BANGWEULU WETLANDS, Zambi --Across Africa, from the mud flats of Nigeria to the coral reefs off Mozambique, mosquito-net fishing is a growing problem, an unintended consequence of one of the biggest and most celebrated public health campaigns in recent years.

The nets have helped save millions of lives, but scientists worry about the collateral damage: Africa’s fish.