The ancient city of Dholavira, the southern centre of the Harappan Civilization, is sited on the arid island of Khadir in the State of Gujarat. Occupied between ca. 3000-1500 BCE, the archaeological ...

Irrigation brought fat harvests to the plains. But the water is disappearing. Industrial agriculture on the Great Plains began in the 1950s when mechanized pumps and sprinkler irrigation systems ...