The biologists joined contamination experts and community groups in raising serious concerns...
https://www.smh.com.au/national/nsw/cocktail-of-chemicals-harbour-tunnel-project-presents-severe-risk-to-sea-life-20210917-p58slv.html
Marine biologists warn that dredging to build a motorway tunnel will disturb toxic chemicals contained in sediment on the floor of Sydney Harbour.
https://www.smh.com.au/national/nsw/cocktail-of-chemicals-harbour-tunnel-project-presents-severe-risk-to-sea-life-20210917-p58slv.html
‘Cocktail of chemicals’: Harbour Tunnel project presents ‘severe risk’ to sea life
www.smh.com.auMarine biologists warn that dredging to build a motorway tunnel will disturb toxic chemicals contained in sediment on the floor of Sydney Harbour.