For the past few decades, Lisa Craig Gautier and her team at San Francisco-based nonprofit Matter of Trust have used mats made out of human and animal hair to help clean beaches and bodies of water. But, more recently, they have expanded to a new project: using hair mats to help restore grassland in a local park, the Presidio.
SF Gate, February 22nd, 2024
https://www.sfgate.com/local/article/hair-mulch-clean-up-beaches-toxins-matter-of-trust-18672676.php