Princess Laurentien of the Netherlands (C) plants a tree at the Royal Botanical Gardens in Sydney with the help of 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)