There are lists now; here a couple gathered by nostr:npub16ux4qzg4qjue95vr3q327fzata4n594c9kgh4jmeyn80v8k54nhqg6lra7

Regenerative agriculture:

naddr1qq4xc6tnw3ez6wtr8qcrqvfsxykkgc3jvskngdp4vckkyer9xykngdesxsekgwpsxa3kvwqpp4mhxue69uhkummn9ekx7mqzyrts65qfz5ztnyk3swyz9teyt40kkwskhqkez7kt0yjvaas76jkwuqcyqqq82vqq290j2

Meshtadel bitpac:

naddr1qq4xc6tnw3ez6cfnv3jnwvmzxyknsvesvykngdfcxukkzvm9xqkkyefcv9snwvmyvsukzcgpp4mhxue69uhkummn9ekx7mqzyrts65qfz5ztnyk3swyz9teyt40kkwskhqkez7kt0yjvaas76jkwuqcyqqq82vq0gjca8

More to find at listr.lol