Nature and Biodiversity
These 'living seawalls' are bringing ocean life back to Sydney Harbour
Researchers in Australia have come together to develop a seawall to provide habitats for marine life in Sydney Harbour.
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Geographies in Depth
'Clean Up Kayak' tours are removing pollution from Sydney Harbour
Founder Laura Stone leads kayakers in Sydney to help remove ocean pollution, with groups expecting to collect a combined 200kg of rubbish this month alone.
Geographies in Depth
What is 'coral IVF' and how can it restore Australia's Great Barrier Reef?
More than 60 corals off Heron Island are now on the way to being the first re-established reproducing population, thanks to the technique which involves collecting sperm and eggs.