Science & technology

Green Revolution

from c. 1940s to 1960s

The Green Revolution was a period in which new agricultural methods and crop varieties sharply raised food production in many developing countries. It began with work in Mexico, where Norman Borlaug and colleagues bred high-yielding, disease-resistant semi-dwarf wheat. The approach spread to South Asia in the 1960s, helped by new rice varieties developed at the International Rice Research Institute in the Philippines, and combined improved seeds with irrigation, fertilizers and pesticides. It is credited with helping countries such as India and Pakistan avoid widespread famine, and Borlaug received the Nobel Peace Prize in 1970. Critics point to its heavy use of water and chemicals, loss of crop diversity and uneven benefits among farmers.

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