A mobile bakery delivers Arabic bread daily to tens of thousands of starving refugees in Syria. An army of yellow-vested volunteers cleans up thousands of debris-riddled homes in Gulf Coast states in the wake of Hurricane Ida. Green-thumbed throngs plant 15,000 tree seedlings in Ghana. A couple help get wheelchairs to nearly 1,000 patients in South Africa. Semitrucks deliver tons of beans, rice, pancake mix, syrup and macaroni to food pantries across the U.S.