Does the “Precautionary Principle” Favor Fighting “Climate Change”?

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Proponents of efforts to mitigate climate change often appeal to the “Precautionary Principle”—Principle #15 of the Rio Declaration in 1992: “In order to protect the environment, the precautionary approach shall be widely applied by States according to their capabilities … [W]here there are threats of serious or irreversible damage, lack of full scientific certainty shall […]

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Climate Scientists are Steadily Reducing Estimates of Warming from CO2

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Among climate scientists specializing in climate sensitivity there is a clear trend toward lower and lower estimates of it, as the chart below shows. Why? Because the empirical measurements of GAT have fallen so much lower than model-generated predictions. In the chart, the dates are dates of publication (bottom axis) of peer-reviewed studies making estimates

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Models vs. Observations: Plotting a Conspiracy?

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John Christy and I received an email today from Marcel Crok, who presented our satellite observations-vs-models graphs to the Dutch version of the American Physical Society (APS). He said there was considerable push-back about the way we plot the data…not from the society itself, but from global warming activist bloggers. I’ve heard these objections before,

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The Dangerous Linkage of Government and Science—Ike Was Right

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President Dwight D. Eisenhower was a great man, a true lover of liberty, and very suspicious of the power of government at the same time that he recognized its necessity. Millions of Americans would benefit enormously from reading his Farewell Address. Most have heard of the “military-industrial complex” but don’t know that it was Eisenhower

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Freeman Dyson, World’s Top Physicist, Calls Out Obama, and Supports Cornwall Alliance Open Letter

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Why did one of the world’s top physicists—ever—sign the Cornwall Alliance for the Stewardship of Creation’s Open Letter to Pope Francis on Climate Change, which challenges climate alarmism, though he’s a liberal, a Democrat, likes President Obama, and has a strong background in climate science? My latest article at Townhall.com explains. His reasons for signing that

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Climate McCarthyism Alive and Well in France

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France Télévisions’ chief weather forecaster, Philippe Verdier, boldly told the world in his new book Climat Investigation that the IPCC and other climate alarmists are guilty of “taking the world hostage” to bad science, bad economics, and bad politics. It didn’t take long for the axe to fall. France Télévisions, a government-run station, put him

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What the Dems said about climate change

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The money quote on climate change in the first Democratic presidential “debate” was Senator Bernie Sanders’s response to moderator Anderson Cooper’s question, “what is the greatest national security threat to the United States?” “The scientific community is telling us,” Sanders said, “that if we do not address the global crisis of climate change, transform our

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“The Pause” Remains 18 Years 8 Months Despite Strong El Niño

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Each month when RSS (Remote Sensing Systems) updates its global average temperature data, Lord Christopher Monckton calculates how far back one can go in the RSS record without showing a positive trend, i.e., how long “the pause” is. It’s been lengthening for several years and as of the end of August had reached 18 years

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