On an April morning in 2011, Gordon Hempton awoke to sunshine. Spring was unfolding outside his Indianola house, and yet all was quiet.
“And I thought, ‘Well, this is kind of funny,” Hempton recalls. “’The birds should be singing.”’
Hempton says he was reminded of Rachel Carson’s “Silent Spring,” and wondered if something strange had happened to the birds in his neighborhood. He turned to his partner, Kate.