Tanzanian projects encourage people to farm butterflies . Projects give people an alternative income and protect biodiversity . `` The center was set up to stop local people cutting the forest down , and to provide an alternative for them to earn money from . '' Amani Butterfly farms use 250 local farmers and sells charcoal to the butterfly exhibits . Butterfly farmers in Zanzibar no longer have to cut down trees to make charcoal .
Tanzanian projects encourage people to farm butterflies . Projects give people an alternative income and protect biodiversity . Amani Butterfly farms use 250 local farmers and sells charcoal to the butterfly exhibits . Butterfly farmers in Zanzibar no longer have to cut down trees to make charcoal .