top | item 28189817 (no title) watertom | 4 years ago When you have 7x the number of humans the planet can support with natural resourse there is not "sustainable manner" in which to operation when consuming natural resources. discuss order hn newest pgwhalen|4 years ago Do you have a source for the 7x figure? Haven’t heard something that precise before.
pgwhalen|4 years ago Do you have a source for the 7x figure? Haven’t heard something that precise before.
pgwhalen|4 years ago