Michael Slezak

The company reported a leak from a well off the coast of Western Australia to Nopsema last year, and says there was no lasting impact on the environment

The artist says her undeniably sad portraits of bleached coral on the Great Barrier Reef are about resilience: ‘It’s not a fragile delicate flower … it’s so important to be optimistic and do what we can to protect it’

Graeme Kelleher’s call comes before Australian government’s deadline for reporting to Unesco’s world heritage committee

Exclusive: scientists find no trace of the Bramble Cay melomys, a small rodent that was the only mammal endemic to Great Barrier Reef

Australia’s natural wonder is in mortal danger. Bleaching caused by climate change has killed almost a quarter of its coral this year and many scientists believe it could be too late for the rest. Using exclusive photographs and new data, a Guardian special report investigates how the reef has been devastated – and what can be done to save it

Study finds protecting a single type of herbivorous fish could be crucial to the recovery of reefs from damage related to climate change

Staff from the Sydney Morning Herald, the Age and the Australian Financial Review gather to express anger at news of 120 job losses

Ice core records going back 800,000 years reveal a lot about carbon dioxide and temperature, but climate researchers want to go back further

Ice core records going back 800,000 years reveal a lot about carbon dioxide and temperature, but climate researchers want to go back further