Growing meat from cells in bioreactors does use far less land than traditional farming, and avoids a lot of the emissions associated with, for example, cow burps.

Source: https://businessmirror.com.ph/2023/01/08/what-is-cultivated-meat-here-are-some-info/

Reducing the burps and farts of from cattle is no laughing matter.

Source: https://phys.org/news/2023-02-kangaroo-fecal-microbes-methane-cows.html

Rumin8 isn’t the first company to explore the idea of using seaweed — or a synthetic version of it — to reduce cow burps.

Source: https://www.digitaltrends.com/news/bill-gates-investment-aims-to-tackle-cow-burps/