The number of countries that participated in the first Earth Day (only the U.S.) vs. the number participating today.
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Numbers in the News: Earth Day Anniversary
This April 22 marks the 50th anniversary of Earth Day. Here’s how this annual event has changed since it began in 1970.
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1 vs. 193
20 MILLION
The number of people who took part in the first Earth Day celebration.
1 BILLION
The number of people organizers aim to mobilize this Earth Day.
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25%
The percentage of Americans who said protecting the environment was important one year after the first Earth Day.
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75%
The percentage of Americans who think the U.S. should protect the environment today.
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$190,000
The first Earth Day's budget. Today, millions are spent on Earth Day events worldwide.
THINK ABOUT IT: How will your community celebrate Earth Day? Research to find out ways you can contribute.
SOURCES: U.S. ENVIRONMENTAL PROTECTION AGENCY, PEW RESEARCH CENTER
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