[–] [Deleted] -1 points (+0|-1) We've been 'crossing tipping points' since, what, 1970? We've been 'crossing tipping points' since, what, 1970? permalink source [–] smallpond [OP] 1 points (+1|-0) Don't think so. Don't think so. permalink source
We've been 'crossing tipping points' since, what, 1970?