Optimist

@summit

@globalgiving

@thisiszerohour

@directrelief

@theiwmf

@allhandsandhearts

@voxmedia

@sudaragoods

@halfthestory

@projecthopeorg

@dream.corps

@thehungerproject

@sierramagazine

@harvardhumanitarian

@naturebridge

@earthguardians

@techsoup

@utwnow

@humanitysteamofficial

@hollywoodfoodco

@solutionsjournalism

@thewaterprojectinc

@joinidealist

@dropinthebucket

@waterforpeople

@actioninafrica

@orginaction

@trellis_group

@withmyown2hands

@womensrefugeecommission

@liftcommunities

@netimpact

@freetheslaves

@earthwatch

@walkingsofter