If we can put a man on the moon and sequence the human genome, we should be able to devise something close to a universal digital public library.

Surely there will be some nonhuman animals whose lives, by any standards, are more valuable than the lives of some humans.

If we are concerned about the exploitation of human workers in countries with low standards of worker protection, we should also be concerned about the treatment of even more defenceless non-human animals.

We need to learn how to capture and kill wild fish humanely - or, if that is not possible, to find less cruel and more sustainable alternatives to eating them.

Business ethics has always had problems that are distinct from those of other professions, such as medicine, law, engineering, dentistry, or nursing.

History is not going to look kindly on us if we just keep our head in the sand on armed autonomous robotics issue because it sounds too science fiction.

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