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.

The year rapid, dramatic change hit climate scientists like a "punch in the guts."

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.

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.

Publisher Springer Nature says the 2022 article is "not supported by available evidence" as its editors launch an investigation.

New research by Australian scientists suggests a 40 per cent slowdown in just three decades could alter the world’s climate for centuries.

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.

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.

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.

The rate of warming in the top two kilometres has doubled from levels in the 1960s, a review finds.