2015 Big Beach Clean-up to clear litter from 135 beaches and canals 8,000 M&S customers and employees to take par MCS survey shows litter on Britain’s beaches increased 6.4% last year LONDON, 2015-3-25 — /EPR Retail News/ — Marks & Spencer (M&S) is today calling on customers to join its team of employees, the Marine Conservation Society (MCS)…