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Sydney's unprecedented swelter.....due to climate change

It has been hot in Sydney, Australia.   Damn hot!.....and record-breaking.    So, because of climate change?  Yes, say the scientists.

"Southeastern Australia has suffered through a series of brutal heat waves over the past two months, with temperatures reaching a scorching 113 degrees Fahrenheit in some parts of the state of New South Wales.

“It was nothing short of awful,” said Sarah Perkins-Kirkpatrick, of the Climate Change Research Center at the University of New South Wales, in Sydney. “In Australia, we’re used to a little bit of heat. But this was at another level.”

So Dr. Perkins-Kirkpatrick, who studies climate extremes, did what comes naturally: She looked to see whether there was a link between the heat and human-driven climate change.
 

Her analysis, conducted with a loose-knit group of researchers called World Weather Attribution, was made public on Thursday. Their conclusion was that climate change made maximum temperatures like those seen in January and February at least 10 times more likely than a century ago, before significant greenhouse gas emissions from human activity started warming the planet.

Looked at another way, that means that the kind of soaring temperatures expected to occur in New South Wales once every 500 years on average now may occur once every 50 years. What is more, the researchers found that if climate change continued unabated, such maximum temperatures may occur on average every five years.

For the overall 2016-17 summer in New South Wales, the researchers say, climate change made the hot average temperatures — which set records for the state — at least 50 times more likely than in the past."

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