Dr. David L. Lewis blew the whistle on the US Environmental Protection Agency (EPA) for manipulating scientific data to legalize the use of toxic and deadly sewage sludge, aka biosolids, as a fertilizer. He has researched its effects on the environment and people for decades, and has correlated a spike in autism cases in the USA to the increased use of sewage sludge, loaded with heavy metals and chemical compounds, as a fertilizer to grow food. He is the author of Science for Sale: How the US Government Uses Powerful Corporations and Leading Universities to Support Government Policies, Silence Top Scientists, Jeopardize Our Health, and Protect Corporate Profits.

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