Using food scraps and natural materials to dye fabrics in beautiful pastel shades ... the clothes they’re wearing and the waste they’re producing. Long may it continue.” ...

A review in the International Journal of Environment and Waste Management has looked at how a specific class of these sponge-like materials might find increasing use in removing dye contaminants ...

Boats pulling into Yorkshire harbours could soon be asked to put dye tablets in their toilets as a way of stopping them emptying waste into the water. From this month, vessels are banned from ...