A couple of great contributions for World Water Day from Manu Lall, head of the Earth Institute at Columbia University's Water Center

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1) An article from Huff Post: The Water-Energy-Food Security Challenge: America As The Global Savior? http://www.huffingtonpost.com/upmanu-lall/world-water-day_b_1371115.html and 2) A video done for the Fidelity Investments & TED talks collaboration called the "Big Think" http://bigthink.com/users/upmanulall