Sierra Club


Scientific Integrity Policies Do Not Make Agencies the Fact Police

, Deputy director, Center for Science & Democracy

It is tempting to want to punish public officials for lying about established science. But the scientific integrity policies do not serve this function, and for good reason. Read more >

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Trans-Pacific Partnership: The Devil Is in the Details for This Massive Trade Deal

, sr. Washington rep., Center for Science & Democracy

Finally, after six years of negotiation, and a final agreement reached late last year, the massive Trans-Pacific Partnership (TPP) trade deal is making the headlines. All the four major presidential candidates oppose it, perhaps the only issue on which they’ve shown agreement. Read more >

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What Is—and Is Not—Considered Settled with Climate Science?

, senior climate scientist

I was reminded this week, by an exchange of words between Senator Ted Cruz and Sierra Club President Aaron Mair, that at hearings on policy, the discussion can go off on a tangent toward climate science and what is or is not settled. Spoiler alert: settled is as close as scientists get to knowing that a scientific finding has been a widely accepted explanation or law for which no credible alternative exists. For some concepts, like gravity or the fact that carbon dioxide traps heat in Earth’s atmosphere, the science has been widely accepted for over a century or longer. Read more >

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