scientific evidence


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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Added Sugar? You’re Killing Me

, director, Center for Science & Democracy

Earlier this year the Center for Science and Democracy released two reports on added sugar in processed foods and beverages (not naturally occurring in the primary contents) and its impact on public health. In our first report, we showed how advertising practices, particularly to children, have manipulated the food “choices” people make and have contributed to an epidemic of obesity and diet related disease in the United States and around the world. In our second report, we documented the role the food industry has played in obscuring the facts about sugar in our diet by manipulating or hiding scientific evidence and information for public. Read more >

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The U.S. National Climate Assessment: A Detailed Evaluation of the Scientific Evidence on Climate Change

, director, Center for Science & Democracy

We have heard a lot in the past few weeks about the latest international assessment of climate change impacts as new reports have been finalized by the Intergovernmental Panel on Climate Change. Of course climate change is a global phenomenon occurring over decades and, for many, it is hard to relate to new information about global changes. But help is on the way! The third U.S. National Climate Assessment is scheduled for release on May 6. Read more >

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