Climate Change Weekly

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Tenth International Conference on Climate Change a Smashing Success

Climate Change Weekly #176 The two-day international climate conference hosted by The Heartland Institute on June 11–12 in Washington, DC featured more than 40 scientists, economists, and public policy experts who shared the most up-to-date information on topics related to climate. The list of outstanding conference speakers included U.S. Sen. James Inhofe (R-OK), U.S. Rep. Lamar Smith (R-TX), columnist Mark Steyn, Lord Christopher Monckton, Weather Channel founder John Coleman, and award-...

Members Say American Physical Society Violated Bylaws

Climate Change Weekly #175 In an open letter to the president and officers of the American Physical Society (APS), three prominent members – Roger Cohen, APS fellow; Laurence I. Gould, past-chair of APS New England; and William Happer, a Princeton physicist – argue APS should shelve its 2007 statement on climate change and should not replace it. The members wrote the open letter on behalf of nearly 300 members who signed petitions against the statement in 2009 and 2010. Cohen, Gould, and Happer...

‘Iris Effect’ Reduces Climate Sensitivity

Climate Change Weekly #174 A new paper by researchers Thorsten Mauritsen and Bjorn Stevens in Nature Geoscience lends credence to climate scientist Richard Lindzen’s speculation changes in cloud cover in the tropics in response to surface warming could act as a natural infrared iris, allowing increased infrared radiation to escape back into space, a kind of natural release valve to moderate temperatures. In 2001, when Lindzen and his colleagues released their paper, it was largely dismissed,...

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