Australia's temperatures are rising faster than the global average and could warm by up to four degrees by the end of the century, according to the national weather bureau. The warning comes as a new report by independent researchers found Australia's summers are becoming twice as long as the winters.
Summers in Port Macquarie on the NSW mid-north coast are seven weeks longer than they were in the 1950s and 60s, according to new research from the Australia Institute.
The Institute's climate energy program director Richard Merzian said official weather records show global warming has already caused major changes to our seasons.
The study found that across Australia, a regular three month summer now spans from November to mid-March. Sydney experiences an extra 28 days of summer temperatures, Adelaide an additional 36 days and Melbourne, 38.
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