All the particular moral judgments we intuitively make are likely to derive from discarded religious systems, from warped views of sex and bodily functions, or from customs necessary for the survival of the group in social and economic circumstances that now lie in the distant past.

Putting the AR movement directly in opposition to the environmental movement, which should be our natural allies in fighting human arrogance and domination of the planet.

The traditional view of the sanctity of human life will collapse under pressure from scientific, technological and demographic developments.

There is a growing movement called effective altruism. It's important because it combines both the heart and the head.

Why...is the hunter who shoots a deer for venison subject to more criticism than the person who buys a ham at the supermarket? Overall, it is probably the intensively reared pig who has suffered more.

Torturing a human being is almost always wrong, but it is not absolutely wrong.

Even people who are aware that the traditional family farm has been taken over by big business interests, and that some questionable experiments go on in laboratories, cling to a vague belief that conditions cannot be too bad, or else the government or the animal welfare societies would have done something about it.