Society does win.
Ozone hole. Solved by the Montreal Protocol.
http://www.pri.org/stories/2014-09-13/latest-news-ozone-layer-shows-we-can-solve-big-environmental-problems
Crime. Solved by modern policing. James Q Wilson and Korean analytics. Not Clinton.
http://www.dailymail.co.uk/news/article-2373754/Crime-fallen-70-major-global-cities-despite-economic-crisis-rising-unemployment.html
Kind of an awful article but it does list all possible reasons why. Point being, crime is down everywhere.
HIV.
Vaccines, cures, therapies. The nightmare circa 1994 is over.
http://defeathiv.org/berlin/