Alex Tesar

  • birdcity

    Rising Skyscrapers Are Sentencing Hundreds of Millions of Birds to Death a Year

    Siegfried Layda/Getty Images On a chilly day in Toronto, Michael Mesure, executive director of a local bird conservation group, leads me up several flights of stairs in City Hall. We walk down a hallway and there stands a large, white chest—a freezer—with a lid straining to close against its contents. Mesure removes a heavy Rubbermaid […]

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    How Radio Enthusiasts Are Listening to Earth’s Secret Symphony

    Stephen McGreevy looked nervously at the sky. Outside his camper van in Nevada’s Black Rock Desert, angry black clouds gathered on the horizon as 30-mile-per-hour winds whipped across the flat expanse. At his feet, an array of copper wire—hundreds of feet of it—writhed like snakes. As rain beat against the roof, McGreevy hastily gathered the […]