2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/181398We 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.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, 2006Astrophysicstext