We review the effects of winds from massive O and B stars on the surrounding
medium over the various stages of stellar evolution. Furthermore we discuss
some of the implications for SNe and GRB evolution within this wind-blown
medium.Comment: 6 pages, 1 figure. To be published by AIP press, in proceedings of
the conference, "The Multicoloured Landscape of Compact Objects and their
Explosive Origins", held in Cefalu, Sicily (Italy), June 11 - 24, 200