When The Power Index spoke to New Ltd boss Kim Williams late last year, he told us that he's not backward in coming forward. We reckon he's lived up to his word today.

It's 113 years since Simcha Baevski arrived in Melbourne as a near-penniless immigrant from Belarus. But this remarkable man is still changing the face of Australia, almost four decades after his death.

Iron ore heiress Gina Rinehart has appointed controversial climate sceptic Ian Plimer to the board of a third family company in as many weeks.

Ian Plimer is one of the most imperious purveyors of climate scepticism in the world. He's a prize-winning academic and bestselling author, meaning he's got the cultural capital and turn of phrase needed to put forward a compelling case.

John Roskam is the whip smart and media savvy executive director of the Institute of Public Affairs, the loudest – and most right wing – think tank in the country.

Controversial climate change sceptic Professor Ian Plimer says the 'average punter' inspired him to write his new tome which teaches students that human-induced global warming is a scam.

If you've got $60 spare and are free on Monday night, you can splurge on a night out with former prime minister John Howard and king of the climate sceptics Ian Plimer.

Andrew Bolt slides down the slippery slope, Janet Albrechtsen goes to the movies and Alan Jones talks climate change with Ian Plimer. Here's what Australia's most powerful Megaphones have been up to over the past week.

This week in London, Australia's Cardinal George Pell opened a new front in the church's age-old war on science by telling the world there really isn't enough evidence to believe in man-made warming.