Three trillion trees: Study finds there are 7.5 times more trees than previously believed
Wednesday, September 2, 2015 - 12:30
in Mathematics & Economics
A new Yale-led study estimates that there are more than 3 trillion trees on Earth, about seven and a half times more than some previous estimates. But the total number of trees has plummeted by roughly 46 percent since the start of human civilization, the study estimates.