H ow many pieces of clothing do you own? Dozens? Hundreds? The average UK adult’s wardrobe contains 118 items , including underwear, according to environmental charity Wrap. That shocked me until I started counting my own clothing mountain and reached number 237, at which point I had to stop and write this newsletter. When the Filter asked me to spend March testing six ways to consume less , I didn’t expect fashion to feature much: I work from home wearing boys’ joggers from Asda (they’re cheap, and they fit my sub-5ft frame perfectly). But after auditing my belongings as part of the challenge, I have to ’fess up, not least to myself: I’ve been over-buying clothes for years. Most of my fashion landfill dates back to my insecure 30s and 40s, when I’d panic-barge through H&M on my way home from work, buying whatever I felt I should be wearing.…