The Earth Awards

The Earth Awards will award $10,000 to each category winner.  The grand prize winner of The Earth Awards 2010 will receive a total of $50,000.
Two representatives from each category winner will be flown to London in September 2010, where they will be given the unique opportunity to present their project to members of the Selection Committee and an international audience of business leaders.
http://www.theearthawards.org/