ALMOST every day some report or event is claimed as evidence of global warming. Al Gore’s recent movie An Inconvenient Truth went so far as to claim that we have a “climate crisis” right now.
Do we?
It can be hard finding the real facts on climate change among all the hype.
The United Nations Intergovernmental Panel on Climate Change has a mandate to deliver a comprehensive assessment of human-induced climate change every few years, and the Fourth Assessment Report, AR4, is due for release sometime this year.
You have possibly been led to believe, given all the media headlines, that this big report was released in Paris last Friday. It wasn’t.
Friday’s document was just a 21-page summary of the first part of AR4, and doesn’t even have a bibliography.
That’s right, just a summary of a quarter of the big report.
Climate Change 2007: The Physical Science Basis – Summary for Policy Makers is nevertheless an important document, because it details the position of many global warming experts. So what does it say?
Read my opinion in today’s The Courier Mail, click here: http://www.news.com.au/couriermail/story/0,23739,21169204-27197,00.html .

Jennifer Marohasy BSc PhD has worked in industry and government. She is currently researching a novel technique for long-range weather forecasting funded by the B. Macfie Family Foundation.