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In June 1969 the heavily polluted Cuyahoga River, in Ohio in the USA, caught fire
Dr Norman Borlaug鈥檚 pioneering work on disease-resistant grains saved millions.
In 1970, 20 million Americans came out to demonstrate for a sustainable environment.
On June 27th 1975 Greenpeace activists launched their first direct action against whalers
Remembering the Brazilian environmental campaigner Chico Mendes, shot dead in 1988
In March 1989, the Exxon Valdez went aground, spilling 11 million gallons of oil
In 2004, the Kenyan ecologist became the first African woman to win the Nobel Peace Prize
How campaigners fought to stop the 'Khian Sea' from off-loading tons of US waste abroad
The man who first coralled the international community to hold an environment summit
Worries about the industrialisation of farming post-WW2 led some farmers to go organic.
