We need to radically and intelligently reduce human populations to fewer than one billion. We need to eliminate nationalism and tribalism and become Earthlings. And as Earthlings, we need to recognize that all the other species that live on this planet are also fellow citizens and also Earthlings. This is a planet of incredible diversity of life-forms; it is not a planet of one species as many of us believe.

To slaughter grand and beautiful creatures like these tuskers, whether terrestrial or marine, solely to obtain a few teeth indicates that we have not evolved very much since the days our forebears lived in caves and saught to prove their superiority by adorning themselves with teeth and claws

I've had a lot of disappointments. I think my biggest disappointment is the failure of elected officials to make good on their promises in regards to the environment or anything else, really. I have very little faith in politicians.

Musicians have the power to influence people and along with movie makers, they can reach and influence more people than any group of people, more than scientists and certainly more than politicians.

Intelligence is the ability of a species to live in harmony with its environment.

We don't give a damn what you or anybody else on this planet thinks. We didn't sink those ships for you. We did it for the whales.

I’ve got no criminal record.