But we all have to remember there is no "Planet B";
Agreed. If we all went vegan, we'd reduce global emissions by 15% (considerably more than if we all swapped to EV - especially once you factor in the carbon cost of steel production and the industrial manufacture of cars),
So, as a vegan of 20+ years, who only holidays in the UK, has never bought a new vehicle (driving round in a 20yr car and a 50yr old car) and uses a 100% renewable electricity supplier, I consider myself fairly carbon zero. You may have to start calling me Greta
