Britta Denise Hardesty

  • Senior Principal Research Scientist, Environment, CSIRO
Plastic bags, balloons, and rope fragments were among more than 100 pieces of plastic in the gut of a single turtle. Qamar Schuyler

How much plastic does it take to kill a turtle? Typically just 14 pieces

Autopsies of 1,000 turtles washed up on Australian beaches paint a grim picture of the impact of plastic debris. Even a single piece can be deadly, and on average 14 pieces equals a 50% fatality rate.
Rubbish in the ocean - marine debris - is a terrible threat to wildlife. Discarded fishing nets are among the worst. AAP Image/Department of the Environment and Heritage/Melbourne Zoo

Ghostnets fish on: marine rubbish threatens northern Australian turtles

Each year around 640,000 tonnes of fishing gear is lost or thrown overboard by the fisheries around the world. These “ghostnets” drift through the oceans and can continue fishing for many years. They kill…

Contact Britta for

  • General
  • Media request
  • Speaking request
  • Consulting / Advising
  • Research collaboration
  • Research supervision