The Susquehanna Swarm

It might seem like a freak of nature, a bizarre phenomenon set off by the latent effects of the Three Mile Island nuclear accident 50 miles (and more than 46 years) upstream. But it’s actually a natural phenomenon and a sign of environmental health. Workers at Conowingo Dam, on the Susquehanna River, were recently awed … Continue reading The Susquehanna Swarm