Researchers have linked dietary data from over 55,000 individuals with data on the environmental impacts of the foods they eat. The team, from the Livestock, Environment and People (LEAP) project at the University of Oxford, found that the dietary impacts of vegans were around a third of those of high meat eaters. They also saw a 30% difference between high- and low-meat diets for most of the measures of environmental harm.
I think a solution is going to be less about changing minds, and more about changing incentives.
Meat-free food should be cheaper and easier. Walking into a supermarket or convenience store, one should be greeted with affordable, tasty, plant-based meals. The more affordable and accessible we make plant-based meals, the more people are going to eat them. And showing people that they can taste just as good as meat-based meals, will mean people won’t immediately steer clear of them.
It’d also be great if they were nutritionally equivalent.
Plant based meats aren’t equivalent to animal meat on that front.
Plant-based diets are usually superior, health-wise, to meat-based diets.
There are a couple of nutrients that vegan diets at one point may have fell short in, like B12 and D being common examples, but at this point those are present in fortified vegan milks or breads.
The only other ones I can think of off the top of my head are a fatty acid present in fish, that is easily supplemented. Or less essential nutrients like taurine, which are also easily supplemented if one finds that they really need higher levels.
It can be difficult to get enough protein with vegan options for people who aren’t knowledgeable about the options.
There have been multiple scientific studies asking whether vegans get enough protein. The conclusion is always that they do. Here is one of them.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6893534/
I didn’t say they don’t, I said it’s difficult for people who don’t know how. You have to spend time on education when you go vegan.