No Consensus: Earth’s Top of Atmosphere Energy Imbalance in CMIP5-Archived (IPCC AR5) Climate Models

Guest Post by Bob Tisdale This post provides an initial look at climate model simulations of the top of the atmosphere (TOA) energy budget and its three components. It includes…

An IT expert's view on climate modelling

Guest essay by Eric Worrall One point struck me, reading Anthony’s fascinating account of his meeting with Bill McKibben. Bill, whose primary expertise is writing, appears to have an almost…

Claim: Data does not prove that climate models are wrong

Alex Sen Gupta, a biological scientist, has written an article (reviewed by John Cook) which attempts to defend the validity of climate models which can’t predict the climate. According to…

Out At The Boundaries

Guest Post by Willis Eschenbach I’ve heard many times that whereas weather prediction is an “initial-value” problem, climate prediction is a “boundary problem”. I’ve often wondered about this, questions like “what…

Do Climate Projections Have Any Physical Meaning?

Guest essay by Pat Frank This essay expands on a point made in a previous post here at WUWT, that climate models do not produce a unique solution to the…

Open Letter to U.S. Senators Ted Cruz, James Inhofe and Marco Rubio

Guest Post by Bob Tisdale UPDATE: See the correction to the number of models under the heading of REDUNDANCY: WHY ARE TAXPAYERS FUNDING 5 CLIMATE MODELS IN THE U.S.? ###…