Clayton Thomas-Müller is a member of the Treaty #6 based Mathias Colomb Cree Nation also known as Pukatawagan located in Northern Manitoba, Canada. He is a campaigner for 350.org, a global movement that’s responding to the climate crisis. He has campaigned on behalf of Indigenous peoples around the world for more than 20 years, working with the Indigenous Environmental Network, Black Mesa Water Coalition, Global Justice Ecology Project, and Bioneers, among others.