A science presenter, writer, speaker & former TV host; author of The Skeptic's Handbook (over 200,000 copies distributed & available in 15 languages).


The Skeptics Handbook

Think it has been debunked? See here.

The Skeptics Handbook II

Climate Money Paper




The nerds have the numbers on precious metals investments on the ASX



Global anxiety? Scared of maths? Could that explain why some people are innumerate about the climate?

I find myself using the word innumerate more and more. Anything to do with climate change is about the numbers — how much will the planet warm? How much will it cost to change the weather? How much useful electricity do wind turbines produce? The arguments of everyone from trolls to Naomi Klein, to Sir Paul Nurse avoid the numbers. And the only time Greenpeace discuss numbers, they seem to pick the wrong kind — dollars instead of degrees. Then they miss the biggest dollars in this debate anyway (but only by a factor of 3,000). Numbers are just not their strong point.

Some people avoid the numbers strategically, — because it’s a debate they can’t win. Sir Paul Nurse hopes we don’t notice that he doesn’t even make an argument, he just declares his side “won”. He tosses a red herring about CO2 being a greenhouse gas. (Which is not what the debate is about. Perhaps he’s heard of feedbacks? He doesn’t say.) Otherwise, he declares the majority “know the cost benefits are worth it”, which is a/ a logical fallacy, b/ a lot like a car advert, and c/  completely wrong. The last UK poll I [...]