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Odisha News, Odisha Breaking News, Odisha Latest News || Ommcom News
Home Science & Tech

Cities At Highest Risk As Climate Change Increases Heatwave Mortality: Study

OMMCOM NEWS by OMMCOM NEWS
February 18, 2025
in Science & Tech

Sydney: Human-induced climate change has caused an increase in heatwave-related deaths, with people in cities at a much higher risk of mortality, according to research published on Tuesday.

In two separate studies, researchers from the University of Queensland (UQ) examined the mortality burden of heatwaves in Australia, Xinhua news agency reported.

The first of the studies — a collaboration between UQ and The Australian National University (ANU) — analysed mortality rates during a severe heatwave that hit southeastern Australia in 2009 as well as decades of heatwave data to examine the impact of climate change on heat deaths.

Melbourne recorded its highest-ever temperature of 46.4 degrees Celsius during the heatwave and parts of the state of Victoria recorded 12 consecutive days over 40 degrees Celsius.

There were an estimated 374 excess deaths in Victoria during the five-day peak of the heatwave.

The study found that climate change increased heatwave-related mortality during the event by 20 per cent. The second study analysed two decades of data to determine which areas of Australia are more vulnerable to heatwaves.

It found that city dwellers with low income, low education, diabetes, and limited access to health services were at the highest risk of heatwave-related deaths.

Patrick Amoatey, a UQ doctoral candidate and co-author of the study, attributed the higher risk in cities to the existence of more heat-absorbing surfaces such as roads, buildings, and railway lines.

“Our results suggest heatwaves with associated periods of higher mortality will occur more often than they did in the past,” said Nicholas Osborne from UQ’s School of Public Health.

He added that the researchers are hopeful that their work will help communities better prepare for heatwaves.

Heatwaves are known to raise several health and economic risks, including increased human mortality, drought and water quality, wildfire and smoke, power shortages, and agricultural losses.

(IANS)

Tags: climate changeheatwaveUniversity of Queensland (UQ)
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