Section: World Geography

15) The introduction in South Asia of new types of high-yield rice and wheat is called the: 

1. greenbelt movement
2. greenhouse effect
3. green market
4. green revolution

The Green Revolution refers to a series of research and development and technology transfer initiatives, occurring between the 1940s and the late 1960s (with prequels in the work of the agrarian genetist Nazareno Strampelli in the 1920s and 1930s), that increased agricultural production worldwide, particularly in South Asia.