rosemary godwa: i wish project peanut butter would grow like the bao bao trtree, which start smaller and grows big, big, big, bigger, and biggest. so it can reach every needy child. narrator: the beauty of briend's project is that it's a simple idea writ large. hihis work has s spread to fouor continents, but it began with a simple formula and a plan to grow. the point is t that a good idea is a spark. it's not enough on its own, but it is enough to ignite something bigger, and spark by spark, the e world can chang. announcer: want to learn more about frfree lunches, susuperfo, or anythining else you saw here? head over to viewchange.org/tv or you can watch, read, and get involvlved in projects that are making a real difference. watch the films you just saw and over 350 more from around the world at viewchange.org/tv. debra: next up, it's the pandemic that has touched millions--aids. 30 years aftter the first confirm c cases appeared, whwhere are we now? and what's working in hiv prevention? find out in a spealal rept frfromsi andd vwchange.g. announcer: "viewchange" is about people