[bmitc]

I can't read the article, but from the first bit I can, I'd wager that that it's a negligible amount compared to human related activities.

https://www.bbc.com/future/article/20210805-the-search-for-t...

https://www.epa.gov/ghgemissions/overview-greenhouse-gases

I think I read somewhere that if we simply composted near 100% of all compostable organic waste that it would reduce methane production by around 8-10% (from memory). So basically a trivial solution can't even be enacted by humans.