From altering the environment humans receive the benefit of multiple resources, such as wood which they receive from cutting down trees. Deforestation gives humans the benefit of having more land accessible for the public, as trees taken down by deforestation allows for humans to build public locations such as parks, and provides land for houses to be built on. Overall, altering the environment gives humans the benefit of having more resources, along with land that they are able to use for housing and livestock farms, which once again provide more resources for the public.
One negative consequence could be that the economy can't grow and get better.
Well the altitde in <span>the atmosphere in which the stratospheric ozone can be found is 82 km. So the closest would be 70 km.</span>