Tree planting we need trees just like trees need us. help save the world by taking this quiz to learn more about our beautiful friends adbuchancomm182 published on November 24, 2013 Stacked 1/5 do trees need water yes sometimes 2/5 why do we need to plant trees to save the world to create more oxygen 3/5 why do we need trees to breath to live 4/5 can you plant a tree anywhere hell yeah where ever you want 5/5 what else dose trees need water air