Did you know that Earth Day is considered the largest secular holiday in the world right now? Over one billion people celebrate it. But do you know when Earth Day came about and what events led up to it?
In this episode, Untamed Science explains the origins of Earth Day and gives a short Earth Day challenge for this year’s eco-holiday.
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Did You Know?
Did you know enVision Mathematics is the only math program that combines problem-based learning and visual learning?
