David Legates

Dr. Legates, Cornwall Alliance for the Stewardship of Creation's Director of Research and Education, is a retired Professor of Climatology at the University of Delaware, former Delaware State Climatologist, and author of numerous peer-reviewed articles on meteorology, climate change, and human influence on climate.

Carbon Cutting: Saving the Planet or Virtue Signaling?

Recently, many companies have pledged to go “net-zero.” “Net-zero” means the greenhouse gases a company emits are balanced by the greenhouse gases it removes from the atmosphere. The Paris Agreement suggests such goals. Although former President Donald Trump withdrew the United States from it, many companies feel the need to demonstrate they are pursuing the […]

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Jordan Peterson Knows Psychology, Including ‘Global Warming’ Groupthink

Five days before the recent snowstorm rocked the Mid-Atlantic region, the ECMWF weather model had forecast more than 30 inches for portions of Delaware, coastal Maryland, and southern New Jersey. The model had overestimated snowfall by up to a factor of three. My criticism of the model will likely not anger many in the political

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A Simple Explanation of Why Climate Models “Run Hot”

The Sixth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC AR6) has been released, much to the excitement of and fanfare from the mainstream media.  It was expected that gloom and despair would permeate the document – unless, of course, we adopt a draconian carbon-dioxide-reduction strategy – and the IPCC did not fail

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Is the Science Settled?

With respect to climate change, we have often heard the refrain “The Science is Settled!” screeched anytime you attempt to disagree with the alarmist dogma.  But a recent series of publications in arguably prestigious journals have underscored the truism in science that it is never settled. On Monday, March 15, an article[1] was published in

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Fauci-Birx climate models?

Honest, evidence-based climate models could avoid trillions of dollars in policy blunders. by Paul Driessen and David Legates President Trump and his Coronavirus Task Force presented some frightening numbers during their March 31 White House briefing. Based on now 2-week-old data and models, as many as 100,000 Americans at the models’ low end, to 2.2 million

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Climate Science or Climate Advocacy?

For almost thirty years, I have taught climate science at three different universities. What I have observed is that students are increasingly being fed climate change advocacy as a surrogate for becoming climate science literate. This makes them easy targets for the climate alarmism that pervades America today. Earth’s climate probably is the most complicated

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

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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