American projects training people to farm butterflies . Projects give locals an alternative income and protect forests . `` The butterfly farmers do n't make charcoal anymore , so it has stopped that small sector of the community cutting down trees , '' she says . Santilli use 50,000 local farmers and sells pupae to live butterfly exhibits . Santili farmers in Tanzania no longer have to cut down trees to sell charcoal .
American projects training people to farm butterflies . Projects give locals an alternative income and protect forests . Santilli use 50,000 local farmers and sells pupae to live butterfly exhibits . Santili farmers in Tanzania no longer have to cut down trees to sell charcoal .