There are worse things about meat, than actually eating it.
Man doesn't have to hunt down an animal for his
daily T-bone steak anymore.
He's made it easy for himself by creating a bio-industry, with large quantities of livestock.
They in turn emit large amounts of greenhouse gases which affect global warming more than burning fossil fuels do.
If you type in
"Worldwide Livestock Shit Problem" in Google, you get quite a few interesting
reads.