The document discusses the history and impact of the Green Revolution. It describes three major agricultural revolutions: 1) the Neolithic Revolution involving the transition to farming, 2) the British Agricultural Revolution involving increases in labor and land productivity, and 3) the Green Revolution involving the development and adoption of high-yielding varieties of wheat and rice in developing countries between the 1950s-1960s. Key organizations involved in the Green Revolution included the Ford Foundation and Rockefeller Foundation. Norman Borlaug was a leading agricultural scientist who developed disease-resistant wheat varieties, increasing yields and saving over a billion people from starvation. The Green Revolution spread to India in the 1960s and significantly increased food grain production through the adoption of new seeds, fertilizers,