When faced with world problems - like hunger,...

When faced with world problems - like hunger, overpopulation, nuclear weapons, the arms trade - you may be among those who are overwhelmed by a feeling of "Help! What on earth can I, just one person, do about this?" Take heart. That's a sane response. It's the basis for a whole new attitude to world problems, where change at the level of the individual is more and more recognised as essential to change in huge world systems.