Earlier quoted context omitted.
> [...] global warming [...] either cannot be generalized globally or did not start in 2010 I guess global warming _can_ be generalized globally? It sure didn't started in 2010 but neither did social networks. Facebook opened public access in 2006 which about the same period when Twitter was launched. _An Inconvenient Truth_ was released in 2006 and it seemed like the start of a global discussion about global warming…
The 1972 UNEP First Earth Summit seems a lot more like the start of a global discussion about global warming. It marks the start of concerted white anting of the message and Koch et al funded think tanks to antiprop the fossil fuels are bad message. An Inconvenient Truth was more the start of some limited central north american awareness starring some local politician or something.
stress and worries are from all times