TILTING AT WINDMILLS? THE ENVIRONMENTAL MOVEMENT AND THE EMERGENCE OF THE U.S. WIND ENERGY SECTOR WESLEY D. SINE Johnson Graduate School of Management Cornell University Ithaca, NY 14850 Tel: 607-255-2997 Fax: (607) 254-4590 e-mail: wds4@cornell.edu BRANDON H. LEE London Business School Regent’s Park London, NW1 4SA U.K. +44 (0)20 7000 7000, ext. 8743 e-mail: blee@london.edu We would like to thank Brayden King, Anne Miner, Huggy Rao, Elaine Romanelli, and Olav Sorenson for their comments on this paper. We also acknowledge financial support from the Johnson Graduate School of Management and the J. Thomas Clark Professorship in Entrepreneurship and Personal Enterprise.