Sixth-warmest year on record

3 01 2008

The Australian screams today that 2007 is our sixth-warmest year on record. According to the Climate Institute warmer and wilder weather in 2007 was in line with international projections for man-made climate change.

All this apparently proves that Global Warming is real and the debate is over. Or is it?

Firstly, Global Warming is called Global for a good reason – it affects the whole of Earth, not just Australia. For Global Warming zealots information, Australia is not a planet but a continent, therefore Australian climate is not in itself a proof of Global Warming. Nor is recorded warming is in itself a proof that humans are causing it.

According to the Climate Institute, Australian annual mean maximum temperature for 2007 of 28.6C was 0.73C above normal. But World Meteorological Organization (WMO) states that he global mean surface temperature for 2007 is currently estimated at 0.41C above average or 0.22C lower than Australia’s. Besides, as previously covered on Andrew Bolt’s blog, it also looks like only Southern Australia is significantly warmer, while the temperatures up North are similar to those in the early 1990’s.

Globally 2007 was actually not as hot as 1998, 2002, 2003, 2004, 2005, 2006 and to be pedantic, statistically indistinguishable from 2000. 1998 is still the hottest year on record being 0.56C above the 1961-1990 average. Could this be a cooling trend? The next Ice Age perhaps?

We also object to the Climate Institute’s use of the term “above normal”. What is a normal temperature exactly? How do they know? The planet went trough warm and cold period well documented in its geological history. Who gave the Climate Institute authority to decide what the normal temperature is? What makes the period of 1961-1990 normal any more than say 1461 – 1490?

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