I`ve finished The Age of Sustainable Development course by Jeffrey Sachs en.wikipedia.org/wiki/Jeffrey_Sachs  . The chain of changes started when I met Jeffrey Sachs at Gaidar Forum 15 of January 2014, it was the first day of the Forum, Green energy section.  At 21 of January 2014 the course started.

I founded the course class.coursera.org/susdev-001  by a chance, having no ideas such