Geography Department /newsroom/taxonomy/term/16443/all en Canada’s nitrogen footprint shows regional variation /newsroom/channels/news/canadas-nitrogen-footprint-shows-regional-variation-333538 <p>Reactive nitrogen emissions contribute to greenhouse gases, as well as air and water pollution. For the first time, researchers from Æ»¹ûÒùÔº have calculated Canada’s nitrogen footprint (akin to a carbon footprint) – at both national and provincial levels. They looked at the three primary sectors that contribute nitrogen to the environment to calculate the annual average nitrogen footprint: food production and consumption, wastewater treatment, and fossil fuel use. There were some surprises when they analyzed their results.</p> Tue, 21 Sep 2021 13:47:58 +0000 katherine.gombay@mcgill.ca 275788 at /newsroom