Graeme Clark

Plastic rubbish on the beach

Ten years of citizen science data has informed a UNSW study which found plastic dominates the rubbish found on Australian beaches.

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The grounding of a giant iceberg in Antarctica has provided a unique real-life experiment that has revealed the vulnerability of marine ecosystems to sudden changes in sea-ice cover.

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Slight changes in the timing of the annual loss of sea-ice could have dire consequences for polar ecosystems, by allowing a lot more sunlight to reach the sea floor, a new study shows.