Climate
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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...
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Focus
Cosmos Q&A: Cooling the upper atmosphere
Exploring the other side of greenhouse gases.
The same greenhouse gases that are warming Earth’s surface are cooling the upper atmosphere (the mesosphere) 90 kilom...
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Rethinking likely impact of more CO2
International analysis narrows range of climate’s sensitivity.
The global impact of increasing levels of atmospheric carbon dioxide (CO2) is likely to be at the upper end of the sc...
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Global methane emissions hit record high
More than half linked to human activities, study suggests.
Global emissions of methane have reached the highest levels on record, according to a new study. A visualisation o...
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The lingering impact of bushfires
Study sheds light on how they affect urban microclimate.
Australian scientists are examining how serious bushfires, such as those that devastated large areas of the country l...
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Heatwave trends accelerate worldwide
Study shows clear regional differences, however.
Nearly every part of the world has seen a significant increase in the frequency and duration of heatwaves over the pa...
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Conversation
South Pole warming faster than we feared
Research reveals its true sensitivity to climate change.
Climate scientists long thought Antarctica’s interior may not be very sensitive to warming, but our research shows a ...
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Research
Ancient ice tells story of carbon storage
Southern Ocean findings could improve modelling.
Scientists better understand the history of carbon dioxide storage in the Southern Ocean after analysing sea ice from...
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Mangroves threatened by sea level rise
Studying history provides a future warning.
Mangrove ecosystems may cease to function if greenhouse gas emissions aren't reduced, according to a new study publis...
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Antarctic ice sheets capable of hasty retreat
Researchers look back to the end of the last Ice Age.
The ice shelves surrounding the Antarctic coastline were retreating at up to 50 metres a day at the end of the last I...