In honor of World Water Day 2011, OK! is taking a look at the work Matt Damon has been doing for Water.org to provide safe water to hundreds of communities without and how other celebs, like Rihanna, are getting involved this year.
The United Nations created World Water Day in 1992 to raise awareness of the global water crisis, USA Today reports.
Water.org, co-founded by Matt and Gary White, is one nonprofit organization that has been working hard to effect change.
The organization has helped hundreds of communities in Africa, South Asia and Central America by providing access to safe ware and sanitation.
Watch Matt help explain Water.org’s work below!
To find out how you can help raise awareness for the nearly one billion people without clean water, visit Water.org.
And Matt isn’t the only celebrity who is getting involved with spreading the word about the world water crisis.
Rihanna, Taylor Swift, Selena Gomez, Adrian Grenier, Robin Williams and Dwight Howard have bottled their own tap water for UNICEF Tap Project.
You can donate to win a “Celebrity Tap Pack” until April 30!