EARTH DAY, when Mother Earth sends us a message
“We must act decisively to protect our planet from both the coronavirus and the existential threat of climate disruption” (António Guterres, UN Secretary-General). In 1970, a 25-year-old graduate student, Denis Hayes, organized the first Earth Day. The resounding success of that event, which brought out 20 million Americans (10% of the United States population at …
