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



Australia can meet it’s 2020 targets with just 35 nuclear power plants or 8000 solar ones!

Roger Pielke, Jr. has looked closely at Australia’s ETS targets and helpfully put some numbers into the hypotheticals.

With all their subsidies, goodwill and fervent wishes, solar, wind, and geothermal produce just 3% of our energy needs. Fossil fuels produce a whopper 94%.   And “energy” on these grand continental scales is measured in quadrillion BTUs which is known as “one quad”. Australians use about 5 quads / year, and to make that we pump out about 400 Mt of carbon dioxide per year. (These kind of big-picture numbers are often hard to find, so I wanted to capture that to keep things in perspective.)

Population growth is a big factor in Australia [...]