Interestingly though it could also but drastically cut by changing the diet of the animals. I was reading somewhat recently about how the addition of seaweed to the cattle feed culled nearly all methane emissions from the cattle. There is still the need to address the transport and humanity of the process involved, but the cow emissions are iirc a large part of that %.
All aviation creates 2% of the GHG. Food production is responsible for 25% of the GHG and could be reduced by 75% with plant based diets.
Interestingly though it could also but drastically cut by changing the diet of the animals. I was reading somewhat recently about how the addition of seaweed to the cattle feed culled nearly all methane emissions from the cattle. There is still the need to address the transport and humanity of the process involved, but the cow emissions are iirc a large part of that %.