Just not cricket – how climate change will make sport more risky

It is getting hotter

Revised climate projections released last week by CSIRO and Bureau of Meteorology predict that by 2030, temperatures could be 1.3C above the average for 1986–2005. By 2090, temperatures in Australia could be 2.8C to 5.1C higher if greenhouse gas emissions remain high, while the frequency of days above 35C and 40C is set to increase.

Since 2001, the number of extreme heat records for daytime maximum temperatures in Australia have outnumbered extreme cool records by almost three to one, and very warm months have increased fivefold over the past 15 years. 2013 and 2014 were Australia’s hottest and third-hottest years, respectively.

Melbourne’s hottest days are already 2C warmer than in the past. It’s clear that we need to prepare for even hotter summers.

Heat is lethal for people exercising

The heat risk from exercise is affected by weather conditions such as temperature, humidity, wind speed and sun exposure, and by other factors including exercise intensity and duration, fitness level, and acclimatisation. Problems arise when the body generates more heat than it can offload to the external environment, causing core temperature to climb.

Liz Hanna | theconversation.com


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