The coral reef of Rarotonga helped scientists create a better climate history. Corey Huber

El Niño has rapidly become stronger and stranger, according to coral records

El Niño events can affect millions of people around the world, causing drought in Australia and floods in the Americas.
A fireman tackles one of the wildfires that swept through parts of California in October. Jim Urquhart/Reuters

2017 is set to be among the three hottest years on record

This year is poised to go down as the hottest non-El Niño year ever recorded, with record low polar ice and extreme weather that left many regions battling bushfires and hurricanes.
Nowhere to hide? With 2°C of global warming, the stifling heat of January 2013 would be the norm for Australia. AAP Image/Dean Lewins

Why 2°C of global warming is much worse for Australia than 1.5°C

Global warming of 2°C, the higher of the two Paris targets, would see current record-breaking temperatures become the norm in the future, potentially bringing heatwaves to both land and sea.
Sydney’s summer was the hottest on record. AAP Image/Dean Lewins

Climate change’s signature was writ large on Australia’s crazy summer of 2017

New South Wales has just had its hottest summer on record – an event that was made 50 times more likely by humans’ impact on the climate.
Old weather diaries are becoming important in climate research. Linden Ashcroft/State Library of New South Wales

Delving through settlers’ diaries can reveal Australia’s colonial‑era climate

High-quality climate records only go back to the start of the 20th century. But using handwritten letters, journals and tables, researchers have access to data going back to the 18th century.
Firefighters fight forest fire in Indonesia, triggered in part by El Nino. EPA/RONY MUHARRMAN

Meet El Niño’s cranky uncle that could send global warming into hyperdrive

We’re due to cop a hiding from the Pacific Ocean, but we don’t know when.
The Climate Change Authority’s latest report has divided its membership. Shutterstock.com

The Climate Change Authority report: a dissenting view

Two members of the Climate Change Authority offer an alternative view on its latest report, arguing that the recommendations are not in line with Australia’s international climate obligations.
Coral Bleaching at Lizard Island on the Great Barrier Reef. © XL Catlin Seaview Survey

Great Barrier Reef bleaching would be almost impossible without climate change

This summer’s record-breaking coral bleaching on the Great Barrier Reef was made 175 times more likely thanks to climate change.
2015 looks set to be the hottest year on record. from www.shuttershock.com

2015 to be hottest year ever: World Meteorological Organization

2015 will likely be the hottest year on record, according to a preliminary analysis released by the World Meteorological Organization.
Soren Dahlgaard and the Maldives Exodus Caravan Show, Mobile Maldives, 2013. CLIMARTE

Climate science is looking to art to create change

Scientists and policy makers are struggling in some countries to gain the support that will lead to meaningful action on climate change. Could art be the answer?
A man relaxes in some decidedly un-Scottish weather outside the venue for this year’s Commonwealth Games in Glasgow. AAP Image/Dave Hunt

Scorching 2014 sees records tumble in 19 European countries

It’s clear: 2014 has been a scorcher. As well as probably being the hottest year on record globally, regional and local climate records have tumbled too. Australia recently had its hottest spring on record…
England is on track for its hottest year since records began in 1659. AAP Image/NEWZULU/STEPHEN CHUNG

Hot 2014 closes in on top spot in world temperature rankings

As representatives from around the world sit down in Lima to discuss how to tackle the ever-growing problem of climate change, it is becoming increasingly likely that 2014 will be the hottest year on record…
It takes a lot of meetings to write a comprehensive summary of climate science. IPCC

Explainer: how are IPCC reports written?

Every day there seems to be more confusing (and sometimes downright misleading) news about climate change. Depending on what you read and whom you listen to, climate change is getting worse, or not happening…
Warming temperatures will make it hard for many Winter Olympics host cities - including Sochi - to hold the Games again. Flickr/Samsung Tomorrow

So long Sochi: cities set to be too hot to host Winter Olympics

Only six of the previous 19 Winter Olympics host cities would be suitable to host the Games again by the end of this century due to warming temperatures, according to a new analysis. Average February maximum…
Australia saw extreme heat and bushfires in 2013. Flickr/Rossco ( Image Focus Australia )

Australia’s hottest year was no freak event: humans caused it

The Bureau of Meteorology has confirmed that 2013 was the hottest year in Australia since records began in 1910. Unusual heat was a persistent feature throughout the year. For the continent as a whole…
Beachgoers try to beat the record September heat at Main Beach on the Gold Coast. AAP/Dan Peled

Sweaty September smashes records, with more heat to come

Australia has experienced its hottest September on record, as well as rewriting the records for the hottest 12-month period for the second time this year. With an average temperature of 21.95C - 2.75C…

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