‘More plastic than fish by 2050’: a famous claim built on shaky numbers
The Ellen MacArthur Foundation’s 2016 projection rests on an extrapolation its own source author did not endorse and a fish estimate later revised upwards.
The Ellen MacArthur Foundation’s 2016 projection rests on an extrapolation its own source author did not endorse and a fish estimate later revised upwards.
Even the most ambitious commitments would leave tens of millions of tonnes of plastic entering aquatic ecosystems every year.
Ocean plastic comes from thousands of small urban rivers, overturning the earlier claim that ten big rivers carry 90% of it.
Interviews with fishers worldwide show enormous annual losses of nets, lines, hooks and traps, a lethal source of ocean plastic.
Ocean Conservancy’s 40th International Coastal Cleanup logged 1.3 million plastic bottles and 886,000 caps in a single year.
World Wide Fund for Nature (WWF)’s viral estimate that people ingest 5 grams of plastic a week was re-analysed and found to be roughly…
Commonwealth Scientific and Industrial Research Organisation (CSIRO) modelling of decades of seabird studies found plastic ingestion is global, pervasive and rising fast.
Post-mortem data from Queensland, Australia, show that eating just 14 pieces of plastic gives a turtle a 50% chance of dying.
The definitive species count for plastic ingestion and entanglement has more than tripled since 1997.
A survey of 124,000 corals across the Asia-Pacific found plastic debris multiplies the chance of coral disease more than twenty-fold.