Vandana Shiva, physicist and environmental activist: "Mud is not just the matrix of life in which we grow our plants; it's ... our very sense of who we are."
Vandana Shiva, physicist and environmental activist: "Mud is not just the matrix of life in which we grow our plants; it's ... our very sense of who we are."
Vandana Shiva, physicist and environmental activist: "Mud is not just the matrix of life in which we grow our plants; it's ... our very sense of who we are."

'Dirt! The Movie' explores threat to soil, a key to life on the planet

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