@WomenAreBornNotWorn
Curious Millions of pounds worldwide are being spent,scientists are moving forward with better ideas on sustainability,replacing meat with better healthier options. This is all happening.
But we vote with our feet and the meat industry is well supported by the public and bailed out annually by the government.
Not everyone can fund a plant based start up or go to university to get there PHD. But things are going in the right direction. Everyone does their bit. I go to a silent vigil outside local slaughter houses every monday. It doesnt change anything I know that,but it would be nice how learn how to be less annoying though. I'm aware I piss people off. 
Oh stop! Yes it does piss me off a bit. Not because you want to effect change, but you are being a bit, erm, blinkered. Like you are arguing with me even though I have not posted absolutely against the idea... just the lack of current practicality!
For example, I said some become scientists to work on real soultions - part of your answer is not everyone can afford to.
But I also said others make changes and do things more quietly. Some take off, Meat free Mondays etc!.
So you piss off people who work for almost minimum wage by staring at them as they enter or leave work? OK! You are right, it doesn't change anything. But every member of staff and their families will become ardently against you and your stance. So why do it?
Why not do something positive, that is an actual action rather than amn utterly Pass Agg behaviour?
Veganise common recipes, make them tasty, spread them round all SM, local shops etc.
Blog about it, including local shops that sell ingredients etc.
ANYTHING that is positive and could make a real change.
And yes, I do. Just not with vegan recipes. I write for the slowly dying high street where I live. I write them based on the local, family run shops we have here, butcher, baker, chandler and farm shop! Local clothes shop gets a shout out too! Best thing about it? It works! With various recommendations, special offers etc we can measure how much it is working.
I am probably as passionate about local businesses as you are about veganism. But I chose not to berate but to help educate!