Mark Ruffalo • Earth.com

Last update: June 25th, 2019 at 5:12 pm

Mark Ruffalo

Mark Ruffalo has also been a vocal opponent of fracking, or drilling to extract natural gas and oil, and continues to advocate for replacing fossil fuels with renewable energies. He posted an open letter to Hugh Grant, the CEO of biotech giant Monsanto, about the ways the company’s food monopoly is “poisoning people.” If that wasn’t enough, Ruffalo also founded Water Defense, a nonprofit whose mission is “to use technology and public engagement to keep our waterways and drinking water sources free from contamination and industrial degradation.”

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