" (...) Cloud seeding began in France during the 1950s with the intent of reducing hail damage to crops. The ANELFA project consists of local agencies acting within a non-profit organization.[48] A similar project in Spain is managed by the Consorcio por la Lucha Antigranizo de Aragon.[48] The success of the French program was supported by insurance data; that of the Spanish program in studies conducted by the Spanish Agricultural Ministry.[48] (...)" http://en.wikipedia.org/wiki/Cloud_seeding
