Vegan, not vegetarian. Dairy production is as harmful to the environment as meat production.
Children leave a much bigger finger footprint than pets, so people shouldn't have them. I presume you're a vegan and don't have a car to set a good example to all those people who have "something wrong with their brains", DavidJN?
BTW, the authors of that article are just journalists, if I'm not mistaken - as fit to discuss the effective ways of stopping the natural environment destruction as you. Leave it experts who call on everyone to go vegan.