Four technologies aim to use heat from the sun to make electricity. But which one has the edge?
High cost of fossil fuel and advanced technology improve this energy source’s prospects.
This Memorial Day the Iraq war is over and the Afghanistan war is winding down, but they're weighing heavily on post-9/11 veterans, 33 percent of whom said they weren't worth the cost.
What happens when ordinary people decide to pay it forward? Extraordinary change. See how individuals are making a difference...
Pastor Jean Enock Joseph (c.) visits one of his projects in Croix-des-Bouquets, just outside Port-au-Prince, Haiti’s capital.
Jean Enock Joseph teaches self-help to lift Haiti
Pastor Jean Enock Joseph doesn't shy from Haiti's toughest problems. His message: Haitians have the ability to help themselves.
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