Johnson's research lies in the field of environmental politics and global development, focusing primarily on the role of cities in global climate politics, the intersection of Indigenous, extractive and environmental politics, and the politics of mining for a renewable energy transition.
Johnson's research lies in the field of environmental politics and global development, focusing primarily on the role of cities in global climate politics, the intersection of Indigenous, extractive and environmental politics, and the politics of mining for a renewable energy transition.
He is currently leading an international team of researchers investigating the political economy of lithium extraction in Canada, Australia, and the “lithium triangle” of Argentina, Bolivia and Chile (www.lithiumfrontiers.com).