Monique Verdin, "Headwaters : Tamaracks + Time : Lake Itasca" (2019), digital assemblage. Photograph taken in 2019; United States War Department map of the route passed over by an expedition into the Indian country in 1832 to the source of the Mississippi River.

Control Algae, Protect Climate

February 7, 2015

Nutrient-driven algae blooms in Lake Erie recently forced Toledo, Ohio, to warn residents against drinking water from public supplies. In Issues, a trio of experts have examined options for restricting input of nitrogen and phosphorus into the nation’s waterways, not only to improve environmental quality but to rein in a driver of climate change.