Replacing cows with yeasts that produce whey and casein (the 2 proteins in milk) is already underway. That could go along way to reducing methane and carbon dioxide.
Large animals that were difficult or costly to domesticate (like the Aurochs) were generally just wiped out.
My guess is if horses were carnivores they would be extinct or limited to a few in zoos and some of the wilder places (like tigers).
Honestly it's probably too late for many adults who have succumbed to the psychological manipulation tactics of politicians and the media.
If we want to save this country we need to start teaching children and young adults to recognize the signs of manipulative behavior in school.
This will of course be strongly opposed by the media, politicians, and advertisers, all of which rely on these tactics to make a profit.
If they can get 10 miles past Tokmak they can rain hell on the M14 highway with 155mm howitzers, cutting off most supplies reaching Melitopol and areas farther south.
Then if they dig in and hold it becomes a waiting game.
I pay for a VPN and don't use it for piracy.
I pay for Usenet and I use it for piracy.
Money has never really been a consideration as to whether I pirate or not.
If you want to know why I pirate stuff you can thank Mediacom, after becoming nearly homicidal talking to their "tech support" line for 2 years (I was locked in a 2 year contract), I decided to never pay directly for media again.
12 years and counting
Perhaps as you are getting older and more wise you are simply recognizing the artificiality of some people more than you used to.