Princess Laurentien of the Netherlands (L) walks through the Royal Botanical Gardens in Sydney with New South Wales Minister for the Environment and Heritage Rob Stokes (R) on May 8, 2014.  Laurentien, a UNESCO special envoy, is in Sydney to focus attention on microplastic marine pollution highlighting non-biodegradable microplastic beads found in products such as exfoliants, toothpaste and scrubs which are causing significant damage to oceans and marine life.    AFP PHOTO / Peter PARKS        (Photo credit should read PETER PARKS/AFP/Getty Images)