@Lodown
1) that graph comes from another one of those wacko conspiracy theory websites, which are about as reliable as wet paper parachutes.
2) all of the graphs show a trend of climate warming, in the past and looking forward.
3) nothing would make me happier than to be wrong about global warming, but all of the credible scientific evidence points to man-made global warming.
Getting back to the Carbon Tax and aviation topic of this thread, when I was down at YMMB yesterday the cost of AirBP Avgas was about 20 cents a litre cheaper than earlier this year. The cost of aviation has recently fallen!