Actor profile
Bill McKibben
Track Bill McKibben's public claims and predictions. 4 claims tracked with 0 score-eligible sourced outcomes on FactTracker.
Recent claims
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2026 and certainly 2027 will be the hottest years ever recorded on this earth
Apr 14, 2026
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2027 will become the hottest year we’ve ever recorded on this planet
Mar 6, 2026
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we have about twenty years before we push past two degrees Celsius
Dec 25, 2025
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we will pass the 1.5 degree Celsius warming mark—the limit set by the Paris Agreement less than a decade ago—in the next couple of years
Dec 25, 2025