A stake through the heart...

... of Anthropogenic Global Warming!

Three Australian scientists (real ones!) just published a paper in the Journal of Geophysical Research (abstract) in which they show that oscillations of the climate in the Pacific Ocean explain most of the changes in global temperatures.

The Climate Depot lays it out (emphasis mine - KV):
The research, by Chris de Freitas, a climate scientist at the University of Auckland in New Zealand, John McLean (Melbourne) and Bob Carter (James Cook University), finds that the El Niño-Southern Oscillation (ENSO) is a key indicator of global atmospheric temperatures seven months later. As an additional influence, intermittent volcanic activity injects cooling aerosols into the atmosphere and produces significant cooling.

"The surge in global temperatures since 1977 can be attributed to a 1976 climate shift in the Pacific Ocean that made warming El Niño conditions more likely than they were over the previous 30 years and cooling La Niña conditions less likely" says corresponding author de Freitas.

"We have shown that internal global climate-system variability accounts for at least 80% of the observed global climate variation over the past half-century. It may even be more if the period of influence of major volcanoes can be more clearly identified and the corresponding data excluded from the analysis.”
It will come as no surprise to many among our readership, that the warming of the last two to three decades of the last century has turned out to be natural. But it is of huge significance that what we 'deniers' think has now been corroborated by (and I can't stress this enough) empirical science.

No fiddled predictions from dodgy, incomplete models. Just a straightforward study of two sets of patterns in historical data and the relationship between the two. Today is the day that real, actual science drove a stake through the heart of AGW theory.

Of course none of it will be on the evening news... Vested interests and multi-billion and even trillion dollar investments (pdf) have to be protected.

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