Shop Against Hunger

Shop Against Hunger is a sight with links to a TON of different online retailers. By shopping on Shop Against Hunger, you can fill "red cups," a different number being filled depending on the retailer and how much you spend. "The red cup symbolizes WFP’s efforts to provide school meals to children around the world who often don’t get food anywhere else. If you keep in mind that one cup represents a nutritious meal of beans or porridge for a child, you will quickly see what a difference you are making through the Shop Against Hunger!"
According to their FAQ's,
"The Shop Against Hunger is a one-stop site with all your favorite online stores and lots of amazing deals. It’s a quick and easy way to do all of your holiday shopping and make a difference in the fight against hunger at the same time!" and "With every purchase you make through the Shop Against Hunger, a donation will be made to the World Food Programme, at no extra cost to you!"
"The World Food Programme is the world’s largest humanitarian agency fighting hunger worldwide. WFP is on the ground in 74 countries feeding men, women, and children through emergency food relief, school meals programs, mother-child nutrition centers, and many other programs. Every donation, every cent is critical because the WFP relies solely on voluntary contributions."