Fashion retailers have been slammed for charging customers fees to send back clothes bought online. Critics say many people do not bother sending items back, and they end up being chucked, with a catastrophic impact on the environmen t. Free returns used to be the norm but a growing number of retailers charge fees, putting off customers from returning items. But campaigners warn the majority of discarded fashion is not recycled and even donated clothes often end up in landfills or being