Chemtrails or Contrails? Another Alarmist Issue Without Scientific Context

NOTE: like with the essay Saturday about isotasy/glacial rebound being a myth, I don’t think the chemtrails idea has any merit whatsoever. Dr. Tim Ball points out more bad science – chemtrails, which are really just contrails, and which has a cult-like following much like some of the worst theories of global warming zealots –…

About these ads

Contrails – itty bitty icy forcing

From the American Geophysical Union weekly highlights: Estimating climate effects of contrails Condensation trails, or so-called contrails, formed by freezing of ice crystals in the exhaust from aircraft jet engines could affect climate. Like natural cirrus clouds, contrails change atmospheric temperatures not only by blocking sunlight from reaching the Earth’s surface but also by preventing…

Contrails and Climate – follow up

Dr. Roger Pielke Senior writes: Ben Herman of the University of Arizona has responded to the post… News Article “Aircraft Condensation Trails Criss-Crossing The Sky May Be Warming The Planet On A Normal Day More Than The Carbon Dioxide Emitted By All Planes Since The Wright Brothers’ First Flight In 1903, A Study Said On Tuesday”…

The planes! The planes!

From Dr. Roger Pielke Senior: (with apologies to Tattoo) There is a news article on March 29 2011 from Rueters titled Aircraft condensation trails criss-crossing the sky may be warming the planet on a normal day more than the carbon dioxide emitted by all planes since the Wright Brothers’ first flight in 1903, a study said…