Textiles are one of the fastest-growing waste streams in New Zealand, with an estimated 100,000-plus tonnes heading to landfill each year. Clothing and shoes made from synthetic fibres can take decades to break down, and when they rot in landfill they release greenhouse gases. The good news is that most of what's cluttering your wardrobe still has value to someone — the trick is matching each item to the right destination so it doesn't end up buried unnecessarily.

For clothes and shoes in genuinely good, wearable condition, donation is the best first stop. Op shops run by the Salvation Army, Hospice, SPCA, Red Cross and Save Mart accept clean, dry clothing and paired shoes, and the proceeds fund community services. Before you drop anything off, wash it, check for holes or broken zips, and bag it properly. Never leave bags outside a closed shop or beside an overflowing charity bin — rain-soaked donations often can't be salvaged and become a disposal cost for the charity instead.

Items that are still usable but not quite op-shop quality can find a home through other channels. Clothing swaps, Facebook Marketplace, Trade Me, local 'Buy Nothing' groups and community pātaka or free pantries all keep garments in circulation. Warm coats, blankets and children's clothing are frequently sought by women's refuges, night shelters and community food banks — a quick phone call will tell you what a local organisation needs before you turn up with a carload.

Worn-out textiles that nobody will wear again don't automatically have to go in the red bin. Stained t-shirts, holey socks and old towels make excellent cleaning rags for the garage, workshop or garden shed, and natural fibres like cotton and wool can be composted if you cut them into small pieces and remove any buttons, zips or synthetic stitching. Some specialist recyclers and social enterprises around the country process end-of-life textiles into insulation, industrial rags or padding, so it's worth searching for a textile recovery service in your region.

It's important to be honest about what can't currently be recycled through kerbside systems: textiles do not belong in your yellow recycling bin, and putting them there contaminates the load and can cause whole truckloads to be rejected. New Zealand does not yet have a nationwide product stewardship scheme for clothing, so options vary considerably from town to town. Your local council website and transfer station are the best places to check what textile drop-off or recovery services operate near you.

The simplest takeaway is to sort before you toss. Set aside a bag for donation, a pile for rags or compost, and only send truly unusable, contaminated items to general waste. Better still, buy less and buy better — choosing durable, repairable garments and repairing what you own is the most powerful way to keep textiles out of landfill in the first place.