But it's the individual consumer that's ultimately responsible for all of the emissions? Corporations aren't emitting carbon for their own enjoyment.
> Just 100 of all the hundreds of thousands of companies in the world have been responsible for 71% of the global GHG emissions that cause global warming since 1998, according to The Carbon Majors Database, a report recently published by the Carbon Disclosure Project (CDP)...
I can see changing subsidies around to make meat more expensive as a matter of public policy being more effective at changing individual behavior than trying to convince them on moral grounds.
It won't happen by buying different stuff, but by spending our time working on projects with others that are not supporting the current system but are building a different one that is not as destructive for the climate.