PRESTWICK, SCOTLAND - MARCH 22: Tyres, plastic bottles and general rubbish washed up by the sea litter the beaches in Prestwick, Scotland, 22 March 2005. A survey conducted by Beachwatch in September of last year, monitored 46 beaches in Scotland and a total of 250 in the UK. The main source of litter (33.4%) was from beach visitors. This was followed by sewage-related debris (26.1%), fishing debris (9.9%) and shipping (2.3%). (Photo by Christopher Furlong/Getty Images)
