Green jobs have become a hot topic this year, but it's not always clear what exactly that means. Here's one measure. Research firm Clean Edgehas determined the ten publicly traded, clean-tech companies with the most employees. (The data are based on second quarter 2009 financial filings or the most recent annual report.)
Most of the companies are based out of the U.S. but have a presence in the country. Click on to see which companies ranked on top.
Posted Nov. 4, 2009