This action is in response to Canada's recent submission of its own amicus brief in support of Enbridge's efforts to overturn a recent U.S. judge's order to shut down the section of the Line 5 pipeline that runs through the Tribe's territory by June 2026. The territory contains the Mashkiiziibii (Medicine River), a tributary to the Great Lakes, which Line 5 crosses. "A major crude oil rupture from Line 5 would cause catastrophic harm to the Tribe's main water source, and would have larger devastating impacts on Lake Superior and the Great Lakes. These water bodies are an essential source of life for the Indigenous Nations who have cared for and relied on them since time immemorial," said Michelle Woodhouse, Water Program Manager at Environmental Defence. "Shamefully, Canada has framed its support for Line 5 in its most recent amicus brief under the guise of 'reconciliation and ensuring full protection for the rights of Indigenous Peoples in Canada in the U.S.'