can carnivores change their diet - no?! - can herbivores change their diet no?! - can omnivores (humans) change their diet - no?! - humans are eating the planet up - in front of all are eyes (global warming) - humans can not agree on a plan to stop the carnage. How much time do you think humans have left on this planet - since we are all omnivores (and that is not going to change)?!