Can you believe 2013 marks the 43rd Earth Day? The first Earth Day was celebrated in 1970 by 20 million people in the United States. Since then, Earth Day has gone global and is observed by more than 1 BILLION people. Let Earth Day take root in your life! Take a look at this timeline of significant dates in Earth Day’s history infographic. Learn facts such as which president organized the Environmental Protection Agency (EPA) and what year the ...
