I must say that in my own mind, I think what's important is for us, as a society, to radically reduce the consumption of meat. This is more important than some fraction of us become moral saints and become vegetarians so it would be much better if we would reduce meat consumption by three quarters of each of us as an individuals would only eat one-quarter as much meat as we do now then that half of the population should become vegetarian. We should see this as a collective challenge rather than an issue about individual, moral period.

The erosion of agency has consequences for our politics. As a result of all this, the fundamental ethical challenge of the anthropocene is the recovery of agency, or alternatively to come to terms with its loss and to understand how to go on.

The only way major change in environmental policy is going to happen, the only way, is if there is a very strong, very active popular movement that demands it and such a movement would be unparalleled because it would be a popular movement that says, "Raise our taxes so that we change our behavior."

In the last few centuries we've managed to reduce how much we kill each other, we've learned some basic lessons about public health, and life is relatively good for more people than ever before.

Our traditional systems of decision-making are just not up to preventing changes in fundamental earth systems that are driven by a constant barrage of individually negligible emissions of an invisible, odorless gas, by billions of people all over the world.

Sometimes I say philosophers should be at the table because they're the only people who know that they're not going to walk away with big money to support their research or to fund their crackpot solutions.

People who go around saying that it is wrong to fly and to eat meat are not so much making appeals to us from within our shared morality, but engaging in something more like "persuasive definition." They want us to look at the world and ourselves in a different way. Someday these prohibitions against flying and eating meat may be written into our moral psychology, but it will only be after there are viable, widely shared alternatives that are beginning to be widely adopted.