Prior to ICA, Deranger worked with her First Nation to build out one of the largest inter-sectional keep it in the ground campaigns: The international Indigenous Tar Sands campaign - challenging the expansion of Alberta’s Tar Sands. As part of her role she brought international recognition to issues in her territory with celebrities like Leonardo DiCaprio, Darren Aronofsky, Neil Young, Daryl Hannah, James Cameron and many others, drawing attention across the globe.
Deranger has written for the Guardian, Yellowhead Institute, The National Observer, Red Pepper Magazine, been featured in documentary films including Elemental (2012), interviewed for national and international media outlets including Democracy Now!, Aboriginal Peoples Television Network (APTN), and CBC.
Beyond this work Deranger is recognized for her role in creating the Global UN Indigenous Youth Caucus; participating in the UN Indigenous Forum on Climate Change; lobbying government officials in Canada, the US, the UK and the EU; developing the Tar Sands Healing Walk; spring boarding one of the first Indigenous rights-based divest movements; and working to develop and lead mass mobilizations highlighting the mass inequity of the impacts the fossil fuel industry and climate change on the rights of Indigenous peoples.
Eriel sits on the board of WWF Canada, Bioneers and the UK Tar Sands Network with a focus on building intersectional dialogue between Indigenous rights and other social justice movements nationally and internationally.