Explosive growth in high altitude wind energy
So below is a graph showing my tally of institutions, i.e. companies and universities, working actively on high altitude wind energy. I'm including Marine propulsion. When I have the time I'll try and do a similar thing for investment and for people employed. Note that the figure for 2010 will doubtless grow as I find out about projects that I have been hitherto ignorant of and as new projects get going.
