A farm tractor and baler sit in a hay field on a misty morning near Cremona, Alta., Tuesday, Aug. 30, 2016. Canadian farmers are looking to more sustainable farming techniques like capturing carbon in the soil as the warnings grow louder that our food supplies are at risk from climate change and land degradation. Elections Canada says whether discussing the veracity of climate change becomes a partisan issue for third parties during the election will be decided on a case-by-case basis and only if it receives complaints. THE CANADIAN PRESS/Jeff McIntosh
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