More than 200 events -- Twestivals -- are taking place around the world today to raise money for charity: water. Scott Harrison, founder of charity: water, explains how far the Twestival $1 million fundraising goal can go toward helping the 1.1 billion people without access to clean water.

Visit an interactive map of Twestivals and watch live footage from more than 100 Twestival locations at Live Earth Video.