As the United States heads for a showdown at the polls, its Canadian neighbour is rushing out its own election - announced on 7 September, voting is scheduled for 14 October. In Canada, a country dominated by vast expanses of wilderness - as well as growing greenhouse-gas emissions - green issues are at the forefront of the debate. "In many ways this is the first time that this has happened in Canadian history - the first environment election and the first climate election," says Graham Saul, executive director of the non-partisan Climate Action Network in Ottawa.
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