This article is from the source 'bbc' and was first published or seen on . It last changed over 40 days ago and won't be checked again for changes.
You can find the current article at its original source at http://www.bbc.co.uk/news/world-australia-41493682
The article has changed 4 times. There is an RSS feed of changes available.
| Version 2 | Version 3 |
|---|---|
| Sydney and Melbourne could face 50C days 'within decades' | Sydney and Melbourne could face 50C days 'within decades' |
| (about 17 hours later) | |
| Australia's two biggest cities could swelter through 50C (122F) days within a few decades, a study has found. | Australia's two biggest cities could swelter through 50C (122F) days within a few decades, a study has found. |
| Sydney and Melbourne are likely to endure such summers even if global warming is contained to the Paris accord limit of a 2C rise above pre-industrial levels, scientists said. | Sydney and Melbourne are likely to endure such summers even if global warming is contained to the Paris accord limit of a 2C rise above pre-industrial levels, scientists said. |
| Limiting warming to below that would make 50C days less likely, they said. | Limiting warming to below that would make 50C days less likely, they said. |
| Sydney reached a record 45.8C in 2013 while Melbourne hit 46.4C in 2009, the nation's Bureau of Meteorology said. | Sydney reached a record 45.8C in 2013 while Melbourne hit 46.4C in 2009, the nation's Bureau of Meteorology said. |
| The study examined only forecasts for Victoria and New South Wales, but researchers said the rest of Australia could also expect rises. | The study examined only forecasts for Victoria and New South Wales, but researchers said the rest of Australia could also expect rises. |
| "One of the hottest years on record globally - in 2015 - could be an average year by 2025," said lead researcher Dr Sophie Lewis from the Australian National University. | "One of the hottest years on record globally - in 2015 - could be an average year by 2025," said lead researcher Dr Sophie Lewis from the Australian National University. |
| The research, also involving the University of Melbourne and published in the journal Geophysical Research Letters, drew on observational data and climate modelling to predict future temperatures. | The research, also involving the University of Melbourne and published in the journal Geophysical Research Letters, drew on observational data and climate modelling to predict future temperatures. |
| Dr Lewis said the cities could experience 50C days between 2040 and 2050, a forecast based on global temperatures being at 2C above pre-industrial times. | Dr Lewis said the cities could experience 50C days between 2040 and 2050, a forecast based on global temperatures being at 2C above pre-industrial times. |
| According to the World Meteorological Organization, the average global temperature in 2016, the warmest year on record, was about 1.1C higher than the pre-industrial period. | |
| Australia's most recent summer broke 205 weather records while its winter was the warmest on record, according to the nation's independent Climate Council. | Australia's most recent summer broke 205 weather records while its winter was the warmest on record, according to the nation's independent Climate Council. |
| Last month, Australians were warned to prepare for a dangerous bushfire season in 2017-18. | Last month, Australians were warned to prepare for a dangerous bushfire season in 2017-18. |