It has depleted aquifers, driven up fertilizer use, reduced the diversity of rice breeds that are planted, and polluted the air with the smoke of burning rice stubble.
No one survived in the ruins of Port-au-Prince for more than a few days after January's earthquake unless they had access to some water-based food or drink.
His group, the Salt Flats Racing Association, believes the potash mining company that takes minerals from the flats is the main reason for the aquifer decline.