For decades, the Chenab River has been one of the main sources of irrigation for millions of farmers in northern Pakistan.
But a dramatic decline in rainfall in the region is threatening to dry out the vital river, a problem many Pakistanis say is being compounded by a hydroelectric project across the border in India.
Agricultural experts say the falling water levels could eventually put all of Pakistan's agriculture at risk.
Al Jazeera's Hashem Ahelbarra reports from Faisalabad province, where swaths of lush green wheat fields have turned a faded yellow. (22 March 2010)
