Environment
Climate change
Thousands of kilometres of Australia's beaches at risk from rising seas
More than 12,000 kilometres of Australia's sandy beaches are threatened by coastal erosion by the end of the century, with greater losses predicted if greenhouse gas emissions remain high.
- by Peter Hannam
Latest
Extreme weather
Summers are starting earlier, finishing later and winter is in retreat
Our hottest season is not like the one many of us grew up with and is placing infrastructure under major strain.
- by Peter Hannam
Opinion
Climate policy
Global finance leaves Australia behind in the march to net-zero emissions
While major global financial institutions declare their exit from coal, Australian politicians dither.
- by John Hewson
Extreme weather
Antarctic heatwave melted 20 per cent of an island's snow cover in days
During a recent warm stretch, snow cover markedly declined as melt ponds formed on Eagle Island, Antarctica, and nearby ice shelves.
- by Andrew Freedman
Bushfires
'Extraordinary' fires burnt at historical size, beyond climate projections
Australia's bushfires exposed deficiencies in the climate models that are struggling to pick out changes in rainfall and fire weather trends, scientists say.
- by Peter Hannam
Environmental activism
The anti-Greta: US conservative think tank takes on the global phenomenon
For climate skeptics, it's hard to compete with the youthful appeal of global phenomenon Greta Thunberg. But one US think tank hopes it's found an answer in 19-year-old Naomi Seibt: the anti-Greta.
- by Desmond Butler and Juliet Eilperin
Gardening
When fire is a friend: Indigenous approaches point the way
Traditional knowledge is feeding into new thinking about climate resilience.
- by Megan Backhouse
Great Barrier Reef
First images appear from Great Barrier Reef's bleaching 'epicentre'
The first signs of stressed corals are appearing at Lizard Island, one of the hardest hit parts of the Great Barrier Reef during previous mass bleaching events.
- by Peter Hannam
Opinion
Climate policy
Why the dash for gas - and cash - is not an option
The impact of methane emissions is far greater than we knew - and that should be a warning to our authorities who are touting gas as the essential transition fuel on the path to net-zero emissions.
- by Greg Bourne
Science
Government, industry back gas as research reveals emissions 'errors'
The Morrison government and the gas industry have defended the role of the fuel as a lower-emissions option than coal despite new research indicating overall fossil fuel extraction is lifting methane levels more than thought.
- by Peter Hannam
Exclusive
Great Barrier Reef
Concerns rise for Great Barrier Reef health as corals start to bleach
Corals in the far north of the Great Barrier Reef have started to bleach, leaving the federal government's lead reef agency at a state of "heightened alert" about the prospect of a mass bleaching event unfolding over the next two to four weeks.
- by Peter Hannam