Four governors’ races with notable environmental angles have gone to the greener-leaning Dems, as expected.  

New York: Eliot Spitzer (D) pummeled John Faso (R)
Pennsylvania: Ed Rendell (D) trounced Lynn Swann (R)
Ohio: Ted Strickland (D) whipped Ken Blackwell (R)
Massachusetts: Deval Patrick (D) beat Kerry Healey (R)

Background on enviro angles here and here. Race results here.