Ian Angus is a socialist and ecosocialist activist in Canada. He is editor of the ecosocialist journal Climate & Capitalism. He is co-author, with Simon Butler, of Too Many People? Population, Immigration and the Environmental Crisis (Haymarket, 2011), editor of the anthology The Global Fight for Climate Justice (Fernwood, 2010); and author of Facing the Anthropocene: Fossil Capitalism and the Crisis of the Earth System (Monthly Review Press, 2016). His latest book is A Redder Shade of Green: Intersections of Science and Socialism (Monthly Review Press, 2017).