Climate Change and Australian “drought”

A new paper by Wenju Cai and Tim Cowan at CSIRO in Victoria argues that anthropogenic climate change can explain some, but not all, of the marked decline in rainfall over the last half century in southwest Western Australia: “An ensemble result from 71 experiments reveals that anthropogenic forcing contributes to about 50% of the …

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A Greenhouse Calculation

Here’s a lazyweb word problem: John rides his bicycle to work, thus saving a half gallon (1.9 liters) of gasoline, consuming 700 calories in the process. If John replaces those calories by eating beef, what is the net reduction (increase?) in greenhouse gas emissions? If he gets the calories from soy protein? Etc? (Ideally, the …

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Quacks in the Internet Age

The Internet has made it too easy to be a quack. In my desk drawer at work, I have a wonderful collection of old UFO nuttiness from the early 1990s. It’s wonderful stuff – wildly imaginative zines full of poor writing, even poorer graphical presentation and absolutely wonderfully muddy thinking. Back in the day, you …

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climate->drought->fire

A record year for wildfires in the U.S.: Drought and hot conditions contributed to the record wildfire season, with more than 9.5 million acres burned through early December, according to the National Interagency Fire Center. The annual climate report, released Thursday by the National Climatic Data Center, says 2006 will most likely be the third …

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