Solidarités International (SI) is an international humanitarian NGO which, for more than 40 years, has been providing assistance to populations affected by armed conflicts and natural disasters by meeting their vital needs for food, water and shelter. Particularly involved in the fight against diseases linked to unsafe water, the first cause of death in the world, SI's interventions provide expertise in the field of access to drinking water, sanitation and hygiene promotion, but also in the essential area of food security and livelihoods. Present in around twenty countries, SI's teams - 2000 people in total made up of expatriates, national staff, permanent staff at headquarters, and a few volunteers - work with professionalism and commitment while respecting cultures.