Subscribe - it's FREE! - http://goo.gl/EpIDGd And please support us on Patreon - https://goo.gl/ZVgLQZ Your contributions help us make more videos! Have you ever wondered why leaves are green and not red, blue, or even black? We did too! Thanks to ScienceAlert for support - http://www.sciencealert.com MinuteEarth is on facebook - http://facebook.com/minuteearth And twitter - http://twitter.com/MinuteEarth MinuteEarth provides an energetic and entertaining view of trends in earth's environment -- in just a few minutes! Created by Henry Reich, with Alex Reich, Peter Reich, Rose Eveleth, Emily Elert, and John Guittar. Music by Nathaniel Schroeder http://www.soundcloud.com/drschroeder…More
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