+1 on gamifying it, newly planted tree could be used as a in-app bonus/item/assets --- talking about social networks - such things can easily be adopted by co

+1 on gamifying it, newly planted tree could be used as a in-app bonus/item/assets --- talking about social networks - such things can easily be adopted by companies like Facebook, if they simply put a planted tree counter next to everyone's profile, (allowing those how can't plant to donate for others to plant) it can lead to competitions among friends/family/groups to be #1 planters and do lots of good.