Earth Day: How a pillar of the green movement was born 50 years ago

Denis Hayes

Denis Hayes helped start the Earth Day movement

Mary McNair (Bullitt Foundation)

This Wednesday marks the 50th anniversary of Earth Day, often spoken of as the birth of the green movement and credited with leading to many key environmental protections in the US. The coronavirus pandemic has led the event to entirely shift from the streets to the digital sphere, with organisers promising the world’s biggest online climate conference.

To find out more about Earth Day’s past, influence and future, New Scientist spoke with Denis Hayes, who coordinated the first one in 1970. “I never dreamed …