Lilly Platt (born 2008) is a British-born Dutch environmentalist.[1] Platt is known for her youth and for going on peaceful strikes to voice out environmental concerns.[2] She is the Global Ambassador of YouthMundus,[3] Earth.org,[4] and WODI;[5] youth ambassador for Plastic Pollution Coalition[1] and How Global;[6] and child ambassador for the World Cleanup Day.[7] Platt initially went viral on social media after posting litter of plastic she picked up—sorted accordingly. Over the years she has picked up more than 100,000 of pieces of litter.[8]