Facts on Earth Day About Health, Environment, Planet, Pollution, Plants and Animals Chauncey Alcorn - Mic
go to original April 22, 2017

The first Earth Day was in 1970. What’s changed since? Our population has doubled. We’re emitting 2.4 times more CO2. Sea levels have risen 4 inches. But the world has also changed for the better. See how our actions since 1970 have added up. (American Museum of Natural History)

Saturday's annual Earth Day celebration comes at a pivotal moment for a number of global environmental issues.

This year marks the 47th annual Earth Day event, which began on April 22, 1970. According to the campaign's estimate, more than 1 billion people participate in Earth Day festivities every year, making it the largest civic observance in the world.

Environment and pollution-related issues continue to make headlines in the weeks leading up to Earth Day, with major environmental crises across the planet.

See 5 reasons Earth Day is more important now than ever at Mic

Related: It’s Done: Trump Signs HJR 69 Into Law Allowing Slaughter of Alaskan Bear Cubs, Wolf Pups (EnviroNews Alaska)

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