Why Are Leaves Green? Part 2

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Still wondering why leaves are green and not purple or even black? CHLOROPHYLL! It’s how leaves work.

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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

Papers referred to in the making of this video:
Blankenship, Robert E. 2010. Early evolution of photosynthesis. Plant physiology 154(2): 434-438.

Hohmann-Marriott, M. F., & Blankenship, R. E. 2011. Evolution of photosynthesis. Annual review of plant biology 62: 515-548.

Raven, J. A. 2009. Functional evolution of photochemical energy transformations in oxygen-producing organisms. Functional Plant Biology 36(6): 505-515.

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