Inside the factories zinc fumes flushed out of horizontal retorts, and spread through the factories as an eerie blue powder.
Harmful algal blooms are a growing concern in the Great Lakes. The toxins they produce can close beaches, and even poison drinking water. What’s fueling these blooms? Phosphorus, a key ingredient in agricultural fertilizers. But the way it’s being used comes at a cost.
A local factory in West Chicago, Illinois was once the largest producer of thorium in the world. This fall the “radioactive capital of the Midwest” is doing one last cleanup.
On the city’s long history of industrial pollution, and how Ted Cruz gets it wrong.
New maps reveal patterns of inequality in Cuyahoga County.