Simon Parkes reveals a Britain in which hunger and hard food choices are all too real.
Is the penal system broken and creating a criminal class? Michael Buerk chairs the debate with Claire Fox, Melanie Phillips, Michael Portillo and Matthew Taylor.
What makes us good or evil? Meet the scientist who believes he has found the "moral molecule" and the man who is using this to reshape our ideas of crime and punishment.
Sue MacGregor reunites five people on opposite sides of the campaign to ban hunting.
Use our scroll-down list to explore a range of ethical issues, or use the index page here.
Watch the show and find out how to contribute using your webcam.
Research the archive for conversation on all aspects of philosophy and religion.
BBC Four is hosting a wide-ranging debate on the state of justice in Britain and the world today.
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