In India, dabbawalas are using their world-renowned delivery techniques to pass on surplus wedding food to the poor, as Matthew Wheeler and Priti Gupta found out, while in Lebanon, FoodBlessed's "hunger heroes" showed Carolina Valladares and Mohamad Chreyteh their food rescue techniques.

Amoo Addo believed there was enough food in the west African nation to feed all of its nearly 27 million people, but more had to be done to educate and inspire people to help those in need. The result was a charity, now called Food For All Ghana. 

One small "hashtag" fueled by a big dream has spread from the West Coast to the East Coast, inspiring everyone -- kids, parents, even celebrities -- to pack lunchbags for those in need. The idea behind this nationwide grassroots movement, dubbed Hashtag Lunchbag, is quite simple: Gather a group of your friends to pack lunches, pass those lunches out to people living on the streets of your neighborhood, and then document your efforts on Twitter, Facebook, or Instagram to inspire others to do the same.