According to a report from E2, 1.8 million American clean energy jobs are located in the top 50 metro areas. They represent 58% of America’s total 3.2 million clean energy jobs. Every one of the top 50 metro areas employs over 10,000 clean energy workers. Michael Timberlake, the Communications Director for E2, answered some questions for CleanTechnica about the clean energy industry.