Logs Being Load On A Cargo Ship, Wick Harbour, Caithness,Scotland,UK. Stock Photo

Logs being load on a Cargo Ship, Wick Harbor, Caithness, Scotland, U.K. According to data from the Global Forest Resource Assessment roughly 80,000 to 160,000 trees are cut down each day around the world with a significant percentage being used in the paper industry. According to data from the Global Forest Resource Assessment roughly 80,000 to 160,000 trees are cut down each day around the world with a significant percentage being used in the paper industry. About 100 trees are cut per minute. After doing the math, I got about 1.6 or one and a half trees per second. That is a huge number. Tree density in primary forests varies from 50,000-100,000 trees per square km, so the math would put this number at 3.5 billion to 7 billion trees cut down each year. A new study finds there are more trees on Earth than was thought, but we're not planting enough to keep up with deforestation. ... Before 38 scientists got together to crunch some seriously big data, it was estimated that there were about 400 billion trees left on Earth. Luckily, the scientists were a few trillion off. FILTHY AIR: Without trees, humans would not be able survive because the air would be unsuitable for breathing. If anything, people would have to develop gas masks that filter the little oxygen that would be left in the air. ... Anyway, trees take carbon from the atmosphere through photosynthesis in order to make energy.