Nature and EnvironmentTurning a weed into a valuable commodity in Senegal04:06This browser does not support the video element.Nature and Environment03/20/2020March 20, 2020For decades, a weed known locally as typha has plagued communities along the Senegal River in West Africa. But now locals are clearing the waterways and turning the pest into thatched roofs and cooking fuel.Copy linkAdvertisement