...they would use $1,000 "to make the world a better place." It is part of the global campaign, "World of Betters."

The contest begins Tuesday and ends Dec. 15.

"World of Betters" also features rapper K'naan, who will host an event in Johannesburg, and Indian singer Sunidhi Chauhan, who will host an event in Mumbai, India.

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Online:

http://www.worldofbetters.com

http://www.aliciakeys.com/us