Study finds 'Snowball Earth' event gave rise to oxygen based life

Study shows planet’s atmospheric oxygen rose through glaciers, climate swung so extremely that the polar ice caps extended to the equator and the Earth was a snowball From the UNIVERSITY OF WYOMING A University of Wyoming researcher contributed to a paper that determined a “Snowball Earth” event actually took place 100 million years earlier than previously…

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Scientists, Please Don't March

Guest Post by Willis Eschenbach-Crossposted from my blog, Skating Under The Ice. Well, the bad news is that a whole bunch of scientists are going to have a march on Washington … on Earth Day. Why is this a bad idea? Three reasons. There’s no clarity on what they are marching for. There’s no clarity…

Climate Sensitivity: A Simple Inverse Model

Guest post by David Middleton Models often get a bad rap among skeptics, largely because climate models have demonstrated an epic failure in predictive skill.  However, models are extremely valuable scientific tools, particularly when used heuristically. Models are learning tools. Generally speaking models fall into two general categories: Forward problems. Inverse problems. Inverse problem From…

Monday Mirthiness – NOAA vs. reality

There’s been quite a bit of wailing and gnashing of teeth over the Mail on Sunday article by David Rose who interviewed a NOAA whistleblower who says that Karl et al. embellished their 2015 “pausebuster” paper. NOAA Scientists Manipulated Temperature Data To Make Global Warming Seem Worse. Josh has his take on it. Josh www.cartoonsbyjosh.com

The Mark Boslough Affair

Guest Essay by Kip Hansen The Mark Boslough Affair or Who is Misrepresenting Whom? Who is Mark Boslough anyway?   He is a “physicist. He is a member of the technical staff at Sandia National Laboratories, an adjunct professor at University of New Mexico.”  And is best known for his “work on airbursts [which] challenged the…