6th extinction blog#5

Blog #5 There have been 5 major extinction events throughout history, are humans impacting the 6th? Why or why not?

humans are impacting the 6th major extinction because of all the polutants  humans have been releasing throughout the course of the years. the ozone layer has lost most or its capabiltiy to prevtn UV rays from entering and affecting earth,which is causing Global Warming.This is taking a major toll in the extinction of many species,,especially the polar bears because their natural habitat is being destroyed.