Melissa Lott on "Scientific" American site: "The discussion surrounding climate-change has reached a precipice, with one of the world’s most respected skeptics public conversion...This is an about-face from Dr. Muller’s previous skeptic stance"

New Beginning for the Climate Change Discussion | Plugged In, Scientific American Blog Network

The discussion surrounding climate-change has reached a precipice, with one of the world’s most respected skeptics public conversion. This weekend, Professor Richard A. Muller publically acknowledged that his analysis of the data shows that climate change is real – and that humans are almost entirely the cause of it.

This is an about-face from Dr. Muller’s previous skeptic stance.

October 2011:  Richard A. Muller: The Case Against Global-Warming Skepticism - WSJ.com

let me explain why you should not be a skeptic, at least not any longer.