Note the step change. At about 1960, the uncertainty levels plummet, meaning BEST is claiming we became more than twice as certain of our temperature estimates practically overnight.

BEST practices step uncertainty levels in their climate data

Brandon Shollenberger writes in with this little gem: I thought you might be interested in a couple posts I wrote discussing some odd problems with the BEST temperature record.  You can find them here: http://www.hi-izuru.org/wp_blog/2015/01/how-best-overestimates-its-certainty-part-2/ http://www.hi-izuru.org/wp_blog/2015/01/how-best-overestimates-its-certainty-part-1/ But I’ll give an overview.  BEST calculated its uncertainty levels by removing 1/8th of its data and rerunning its…

clip_image008.png

Improving Climate Literacy: ‘Temperature Homogenization Activity’

Guest essay by Jim Steele In 2012 the National Academies of Science published A Framework For K-12 Science Education Practices, Crosscutting Concepts, and Core Ideas. Although the framework often characterizes climate change as a negative and disruptive phenomenon, the framework clearly states students need to understand all the factors causing climate change writing, “Natural factors…

clip_image001.png

On Migrating Moose and Migrating Temperature Trends

Guest essay by Jim Steele, Director emeritus Sierra Nevada Field Campus, San Francisco State University and author of Landscapes & Cycles: An Environmentalist’s Journey to Climate Skepticism The biggest threat to the integrity of environmental science is bad science, exaggeration and fear mongering. The recent hype about declining moose populations is just one more example…