How long can humans live without trees?

Answer 1

Not long at all. We need oxygen to breath, but we need clean oxygen. Tree's are what cleans the oxygen in our air! The more tree's that come down, the less our air becomes clean. We, Hyman's, produce pollution like crazy, and the tree's are all we have to depend on to keep our air breathable. It we lost every tree we had, we, humans, probably wouldn't last more then a week.

a few problems with that answer one if we lost all the trees other that dying of sunburn clean oxygen would still be produced from the oceans on the other hand most inland places would be impossible to live in

if we lost all produce of clean oxygen we would live for about 2000000 years i did a ruff calculation so i maybe off

try it its not hard

how long will it take for humans to die of carbon dioxide poising