Author C.S Goldsmith weighs in on Climate Change, our trajectory towards mass extinction and “The Billion Man March” Share Article If recent calculations are correct then we have just about five year’s left to tame climate change enough to avoid mass extinction. To avoid runaway global warming we need to stop deforestation efforts immediately and begin a massive reforestation program of planting a trillion trees. Trees are our first line of defense. LAS VEGAS (PRWEB) April 21, 2021 If recent calculations are correct then we have just about five year’s left to tame climate change enough to avoid mass extinction.