Which do you want a Tunnel or a Bridge with a man made Island half way with bysunesses and Tourism. The tunnel would have Transportation to and from Vancouver/Vancouver Island a skytrain and Highway, so would the Bridge. Man made islands like the one pictured of Dubai, also protect the environment as well as cause changes to the environment. It is important to have these crossings and man made islands to protect the environment. Example, Stanley Park is being eroded and so is UBC Endowment lands:Wreck Beach, no nude area if it is eroded. The Vancouver Airport, Richmonds turgeon Banks, and Esquimalts Naval Base are under attack from erosion.