Calm tf down and read slowly so you learn something useful.
There are now and have been roughly 200 times more than that 15.3 billion tree number that are not cut each year.
Forestry clearing is regularly carried out to keep most of the big forests healthy, encourage wildlife to inhabit what might otherwise be a thicket so dense that it becomes useless to larger animals.
Logging tracts in modern western countries practice a 20 year rotaional clearing of wooded areas called clear and replant. That way they don't strip the land of all the wood and put themselves out of business.
