Economists list cheapest ways to save the world

Leading economists have ranked how to best and most cost-effectively invest to solve many of the world's seemingly insurmountable problems, a Danish think-tank said Monday, calling for a shift in global priorities.

Billionaires need a giving philosophy

From world hunger to global warming and the arts, there are numerous causes that individuals, foundations and NGOs choose to support. And even in an economy that has been slow to recover, billionaires are continuing to pledge ...

New discovery could help feed millions (w/Video)

When scientist Loretta Mayer set out to alleviate diseases associated with menopause, she didn't realize her work could lead to addressing world hunger and feeding hundreds of millions of people.

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