The Spencer Challenge to Slayers/Principia

Dr. Roy Spencer has made a challenge to the Slayers/Principia folks who keep insisting the greenhouse effect doesn’t exist at all. For example, see the front page claim at right…

Refutation of Stable Thermal Equilibrium Lapse Rates

Guest post by Robert G. Brown Duke University Physics Department The Problem In 2003 a paper was published in Energy & Environment by Hans Jelbring that asserted that a gravitationally…