Huge list that never ends.. but this is for now i had a hard time letting the ones that didnt have branches in nyc stay out of this list (hundreds of fascinating orgs around the world)
1. Oxfam action corps NYC.
working to create lasting solutions to poverty, hunger, and injustice worldwide.
2. Sierra Club. NYC
Public interest organization promotes conservation of natural environment through public education
Bring safe and clean drinking water to people in developing countries
4. Global water fund
Providing water solutions for the world
Others Outside NYC that I need to contact as they were exceptionally interesting:
5. Play pumps (DC) 6. The water project (NC)
Rainwater harvesting, bio sand water filters, sand dams. Goals: access to water within 1KM, 50 Liters/person, sustainability, clean water, community ownership and management
7. Buy A Meter
(http://www.design21sdn.com/organizations/190) & ID competition winners.