The Americas are seen from space on Earth Day 2014 in a photo captured by NOAA's GOES-East satellite.
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The Americas are seen from space on Earth Day 2014 in a photo captured by NOAA's GOES-East satellite.
Credit: NASA/NOAA/GOES Project

What's In A Name: How Earth Day Was Born

Marcie Sillman talks with Denis Hayes, local environmental activist and founder of Earth Day, about how the perfect name for the day was determined.