Graham Readfearn
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About Graham Readfearn
Graham Readfearn is an environment reporter for Guardian Australia.
Bleaching fears along the Great Barrier Reef
Scientists are investigating reports of dying coral along a 1,100-kilometre stretch from Lizard Island in the north to Heron Island in the south.
Red alert in Antarctica
The year rapid, dramatic change hit climate scientists like a "punch in the guts."
In Borneo, illicit hunting thins orangutan population
Despite the taboo and illegal nature of killing orangutans, researchers heard evidence of a direct killing from at least one person in 30 per cent of 79 villages surveyed in Indonesia’s Kalimantan region.
Antarctic sea ice shrinks to lowest annual maximum level on record
Scientists fear global heating may have shifted the region into a new era of disappearing ice with far-reaching consequences for the world’s climate and sea levels.
Science journal retracts article claiming no evidence of climate crisis
Publisher Springer Nature says the 2022 article is "not supported by available evidence" as its editors launch an investigation.
Currents of change seen in melting Antarctic ice
New research by Australian scientists suggests a 40 per cent slowdown in just three decades could alter the world’s climate for centuries.
Octopus DNA may reveal new clues about rising sea levels
The genes of a four-million-year-old octopus species hold memories from the melting of a previous Antarctic ice sheet, raising fears of what another thawing could bring.
Food, feed and fuel: Seaweed industry could cut land needed for farming by 110 million hectares
Scientists identify parts of the ocean suitable for seaweed cultivation and suggest it could constitute 10 per cent of the human diet to reduce the impact of agriculture.
‘Extinction crisis’ of sharks and rays to have devastating effect on other species
Almost two-thirds of sharks and rays living on the world’s coral reefs are at risk, with 14 of 134 species deemed critically endangered.
Calamity of ocean heating goes deeper than we thought
The rate of warming in the top two kilometres has doubled from levels in the 1960s, a review finds.