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Earth Day began on April 22, 1970, as a response to environmental deterioration. Inspired by the 1969 Santa Barbara offshore oil spill and other catastrophes, U.S. Sen. Gaylord Nelson (D-Wis.) teamed with Rep. Pete McCloskey (R-Calif.) and activist Denis Hayes to organize a series of college teach-ins.
The inaugural event went far beyond campuses, drawing 20 million Americans – 10% of the population – to demonstrations and teach-ins at schools, parks and auditoriums. “Pogo” cartoonist Walt Kelly created a promotional poster. New York City Mayor John Lindsay closed Fifth Avenue to cars and gave an impassioned speech. President and Mrs. Nixon planted a tree on the White House grounds. April 22 became affixed on calendars as Earth Day.
One of Earth Day’s enduring legacies is providing a common frame of reference for a disparate range of animal conservation groups, anti-pollution activists and others. “I think the most important thing that Earth Day did was to take all of those different threads and weave them together into this fabric of modern environmentalism, to help them understand that they were operating from similar sets of values,” says Hayes, who remains active in environmental causes.
“Earth Day has grown into a secular holiday recognized by billions of people and which has no goal beyond building a better world,” Rolling Stone writer Jeff Goodell said in a 2020 profile of Hayes.
This year on April 22, under the theme of “Invest in Our Planet,” millions of private citizens, business leaders, government officials, academics and students around the world will recognize “our collective responsibility and to help accelerate the transition to an equitable, prosperous green economy for all,” according to EARTHDAY.org, a nonprofit that arose from the initial event.
EARTHDAY.org will team with more than 150,000 partners in more than 190 countries to promote:
- Neighborhood and park cleanups
- Tree plantings
- Greater use of native plants for gardening that improve pest control and pollination
- Renewable energy sources
- Teach-ins led by professors, elected officials, faith leaders, advocates, students and others
- Education on sustainable fashion, reusable utensils, ecologically friendly food sourcing and more
See more ways to invest in the planet and take action for change – on Earth Day and every day.
