Further, there’s really no good evidence in support of Animal Charity Evaluator’s cost effective estimates for vegan outreach. And in the case of corporate campaigns, it’s not clear that the organizations effective in this area still have room for funding.
I’m not a proponent of ethical offsets, in part because of the reasons given by Claire Zabel here:
http://effective-altruism.com/ea/ry/ethical_offsetting_is_antithetical_to_ea/
Further, there’s really no good evidence in support of Animal Charity Evaluator’s cost effective estimates for vegan outreach. And in the case of corporate campaigns, it’s not clear that the organizations effective in this area still have room for funding.