Right now, our nation — and the world — are at a crossroads. Yet we seem stalled — despite an increasingly clear picture of what human-induced global warming is doing to our planet.
The scientific community — often working closely with governments — has produced numerous, carefully reviewed, international and national assessments of the scientific understanding behind climate change. The latest, “America’s Climate Choices,” recently released by the U.S. National Academy of Sciences, states that “scientific evidence that the Earth is warming is now overwhelming.”
So it is imperative that the public and policymakers question and debate the range of options for addressing climate change — including the level of certainty about that evidence. But a fair debate requires understanding of the scientific process.
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