The 'correlation is not causation' hockey stick

http://books.google.com/ngrams/graph?content=correlation+is+not+causation&year_start=1800&year_end=2008&corpus=0&smoothing=3 Mike Lorrey writes- PAY ATTENTION CLIMATE ALARMISTS: “The phrase ‘correlation does not imply causation’ goes back to 1880 (according to Google Books). However, use of the phrase took off…

Climate models outperformed by random walks

First, a bit of a primer. Wikipedia describes a random walk is a mathematical formalisation of a trajectory that consists of taking successive random steps. For example, the path traced…