one drawback of cloud seeding is that it deprive some areas of rain by giving it to other regions. others say that is soil contamination from the silver iodide particles released in the air. in order to increase water resources, nations must use traditional water supply methods like building dams and diverting rivers. by 2050, water demand is projected to rise at a faster pace than the world's population growth. only by solving the demand for water ,will nations be able to grow.