From Longman Business Dictionary
Green RevolutionˌGreen Revoˈlution noun [singular]1FARMINGthe increase in the amount produced by crops, such as wheat and rice, in several poorer countries in the 1960s and 1970s. This was due to improved scientific methods of farmingThe Green Revolution transformed agriculture in Asia and Latin America.
2the growing interest in protecting the environment shown by countries with a developed economy