This week heads of state, nonprofit leaders, and philanthropists met for the fourth annual meeting of the Clinton Global Initiative [1] (CGI). By gathering global leaders, the ex-Pres hopes they will devise and implement concrete solutions to some of the world's biggest challenges. Since 2005, CGI has committed $30 billion to programs that have impacted 200 million lives in more than 150 countries.
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Some of the highlights from this year have included:

• Bono spoke out about global priorities [3]: "It is extraordinary to me that you can find $700 billion to save Wall Street and the entire G-8 can't find $25 billion to save 25,000 children who die every day of preventable disease and hunger."
• Wyclef Jean's foundation committed to providing hot school meals for 14,000 poor children, food for 20,000 families a month, thousands of new agriculture jobs, micro-enterprise grants for 165 small businesses, 36,000 farmers with seed, fertilizer, and training, and implementation of a broad communications campaign to engage international and local Haitian musicians in the Together for Haiti Campaign.
• Al Gore was joined at the opening session by Clinton, Queen Rania of Jordan, President Ellen Johnson-Sirleaf of Liberia, Bono and E. Neville Isdell, chairman of Coca-Cola Co.'s board. Gore called for civil disobedience [4] against new coal plants.
• Lance Armstrong, who is planning to race in next year's Tour de France, pledged $8 million to a global awareness campaign for cancer, including a meeting that would convene in Paris [5] after the tour.

To see more pictures from the event, including shots of Jordan's Queen Rania, the presidential candidates, Drew Barrymore, and Sarah Palin, .