Climate
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Burning up the health budget
2019–20 bushfires cost Australia in so many ways.
Ruined homes and other structures are among the most obvious signs of bushfires, and because there are insurance and ...
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Arctic ‘transitioning’ to a new climate
Extremes are becoming routine, study suggests.
The Arctic has started to transition from predominantly frozen to an entirely different climate, according to a new r...
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Explainer
What tipping points are telling us
Why we need to understand them and respond.
By Andrew Bernier, Arizona State University Lately, you may have heard someone say that we have reached a “tipping...
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A barcode of Earth’s climatic past
66 million years of change uncovered from ocean sediments.
Climate scientists have compiled the first continuous, high-fidelity record of variations in Earth's climate extendin...
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Citizen Science
Renewed interest in weathered records
Bringing handwritten climate history into the digital age.
Each week Cosmos takes a look at projects and news about citizen science in Australia. This week, we report on a new ...
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Antarctic ice shelves at risk of fracturing
Study says their disintegration could lead to sea-level rise.
The ice shelves ringing Antarctica are vulnerable if rising temperatures drive melt water into the numerous fractures...
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Snapshot
Leaves long left alone have story to tell
Rare fossils may indicate patterns of future greening.
Scientists studying leaves from a 23-million-year-old New Zealand forest have linked high levels of atmospheric carbo...
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Ozone increasing in areas where it wasn’t
Airline data help researchers track trends over two decades.
Ozone levels in the lowest part of the atmosphere have increased across the Northern Hemisphere over the past 20 year...
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Tropical soils linked to carbon emissions
They’re more sensitive to warming than we thought.
Scientists continue to unravel the feedback loops caused by global warming, a major one being the soil’s release of c...
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Limited climate impact from fighting COVID-19
Study sees potential in behaviour change, however.
COVID-19 has caused people to greatly cut back on travel, thereby reducing the amount of carbon dioxide and other pla...
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NZ glacier melt linked to climate change
Extreme event attribution used to calculate human influence.
It is “very likely” that the increased melting of 10 glaciers in New Zealand’s South Island is caused by human greenh...
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The increasing cost of coastal flooding
Scientists predict it could be up to 20% of global GDP.
Infrastructure damage from coastal flooding will cost the world US$14.2 trillion over the next eight decades and affe...