Content Index

The discovery of the Kimberley diamond field in South Africa has fueled exploitation and conflict.

The treaty prohibits nuclear weapons tests or other nuclear explosions under water, in the atmosphere, or in outer space, but still permits underground nuclear tests.

A severe famine in Ethiopia and Eritrea affects eight million people.

The “Grüne Punkt” (Green Point) symbol shapes Germany’s recycling system.

Jane Goodall begins her decades-long study of social interactions of wild chimpanzees in Gombe Stream National Park, Tanzania.

In 1971, Biruté Galdikas begins her long-term study of wild orangutans, which would greatly expand human scientific knowledge on these primates.

The French engineer Eugene Houdry patents the catalytic converter.

With the introduction of more powerful firearms, elephant hunting and the trade of ivory increase dramatically in the mid-nineteenth century.

David Brower, a former Executive Director of the Sierra Club, founds the environmental network “Friends of the Earth” to promote solutions for environmentally sustainable and socially just societies.

The 1986 Chernobyl disaster is the worst nuclear accident in history. It has become a symbol for the potential dangers of nuclear energy.