I don't know the figures anymore, but windpower in Germany should be higher than 30,000 now (from memory).  That will explode again in the next years, particularly in the offshore field.  infrastructure needs to be built to support the growth, beginning with technical training.

I have no figures for the US, but i'm aware that nearly a dozen, perhaps more, community colleges have opened new training courses for the various jobs involved in servicing and operating windparks.  There are turbine assembly plants going into buildings vacant since the end of the steel industry.  New blade facilities are being built on the order of several a year.  One can conjecture that soon the numbers will add up to something significant for the US.

Just to throw something positive on the table.

"Life shrinks or expands in proportion to one's courage." - Anaïs Nin