What would happen if we cut down all the trees?

All around the world, trees are being cut down too quickly for earth to regenerate new forests. For most of human history, deforestation in the Amazon was primarily the product of maintenance farmers who cut down trees to produce crops for their families and local consumption. read more

if, we somehow managed to cut down all of the trees, there is still shrub, grass, moss, plankton, seaweed, weed, and other vegetation for back up. and if we generous enough to leave some part of that tree, care to fertilize it a bit, spray some water to them, many of it will regrow in a year or two. read more