Unicef has created an HTML5 page with an interesting concept: go to that page with your iPhone. For every ten minutes you ignore the phone, UNICEF (through a sponsor) will provide a day's worth of drinking water to someone.
http://tap.unicefusa.org
The only problem is that your phone needs to be unlocked and running the whole time. But if you're sitting at your desktop with the phone charging nearby, it's a simple way to help out.
http://tap.unicefusa.org
The only problem is that your phone needs to be unlocked and running the whole time. But if you're sitting at your desktop with the phone charging nearby, it's a simple way to help out.