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Australia is almost a degree warmer, on average, than it was a century ago, according to the State of the Climate 2014 report compiled by the CSIRO and Bureau of Meteorology.
Australia has warmed by 0.9C since 1910 – roughly in line with global
rates of atmospheric warming – and is set to continue warming at a rate
that depends on how fast greenhouse emissions can be reduced.
The finding reiterates the previous State of the Climate report, released in 2012.
According to the 2014 report:
- Seven of Australia’s 10 warmest years have happened since 1998;
- Over the past 15 years, very warm months have occurred at five times
the long-term average, while very cool months have declined by a third;
- By 2070, temperatures will be anywhere between 1C and 5C warmer than the 1980-1999 average, depending on future emissions cuts
- Winter rainfall has declined by 17% since 1970 in Australia’s southwest, and by 15% since the mid-1990s in the southeast;
- Tropical cyclones are forecast to decrease in frequency but increase in severity;
- Sea-level rises will increase the frequency of extreme sea-level events.