Go to: Young Wonder According to UNICEF, one of every six people on Earth lacks access to safe drinking water. Sixteen-year-old Ryan Hreljac, who lives near Ottawa, Ontario, is working to change that. To date, the Ryan’s Well Foundation has built 266 wells in 12 developing countries, bringing clean water to more than 435,000 people. • CNN Heroes: Ryan Hreljac • From pen pals to brothers How to help: • Ryan’s Well Foundation