Here's something to consider for those who think colonization is a thing of the past;
"Pre-colonial Aotearoa saw a varied range of practices used to dispose of the dead that didn’t harm the planet."
"For those who want a greener goodbye, options are still relatively limited. The Burial and Cremation Act 1964 restricts body disposal to those two named methods..."
https://thespinoff.co.nz/society/08-08-2023/inside-the-rise-of-eco-friendly-deaths
NZ laws, made and enforced by Pākeha institutions, still criminalise many indigenous funeral practices.