1971
Computer evolution accelerates with integrated circuits.

1972
James Lovelock's Gaia hypothesis suggests the planet is a self-sustaining living organism.

1981
David Bohm, after discussions with J. Krishnamurti, realises that science, always studying the parts, lacks a vision of wholeness.

1985
'Live Aid' manages to get people to think about someone else all over the world.

1986
Nuclear accident in Chernobyl irradiates Europe.

1988
Chaos theory provides mathematics for the seemingly chaotic patterns of nature.

1990s
Growing awareness among the population of the global crisis and the need to act today.