March 3, 2021

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Aussie summers getting longer and winters shorter

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<p>Australia's temperatures are increasing more than the global average, the nation's weather bureau says.</p>

Australia's temperatures are increasing more than the global average, the nation's weather bureau says.

Bureau of Meteorology head of climate monitoring Karl Braganza said Australia had warmed by about 1.4 degrees Celsius while the rest of the world had increased by 1.1C.

"Australia warms slightly more than the global average," Dr Braganza told a Senate estimates committee in Canberra today.

When temperatures across the rest of the world increase by 3.4C on average - which was estimated in a recent report - Australia is projected to be closer to 4C, he said.

TUMURUMBA, AUSTRALIA - JANUARY 11: A Rural Fire Service firefighter Trevor Stewart views a flank of a fire on January 11, 2020 in Tumburumba, Australia. Cooler temperatures forecast for the next seven days will bring some reprieve to firefighters in NSW following weeks of emergency level bushfires across the state, with crews to use the more favourable conditions to contain fires currently burning. 20 people have died in the bushfires across Australia in recent weeks, including three volunteer f

BOM chief Andrew Johnson said Australia was expected to become drier and warmer, which would see the risk of severe fire weather continue.

It comes as an independent analysis of weather data shows Australian summers are getting longer and winters shorter.

The Australia Institute has studied two decades worth of BOM data for the nation's cities, comparing it to a benchmark from the mid-20th century.

The think-tank is calling on the federal government to boost its emissions reduction plan to prevent more climate change related warming.

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The study found that summer temperatures are continuing for 31 days longer than the benchmark, while winters are 23 days shorter.

Australia Institute's climate and energy director Richie Merzian says having more extreme heat events puts the public at risk and hurts the economy.

"The Australian government's current emission reduction targets are aligned with three to four degrees of warming," he said.

"Which leaves young Australians having ever-lengthening summers with significant consequences."

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The federal government has committed to the Paris agreement, which aims for a 26 to 28 per cent reduction on 2005 greenhouse gas emissions levels by 2030.

The agreement also includes a pact to achieve net zero emissions in the second half of the century.

Labor has committed to net zero emissions by 2050, but hasn't revealed if its 2030 goal would be more ambitious than what the Paris target stipulates.

Source: 9News

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