Carl is the National Reporter at National Observer, where he covers the science and economics of climate change, the low-carbon economy and federal politics. Previously he worked as second-reader reporter for the Wall Street Journal, covering national economic indicators set by Statistics Canada. Carl is an advocate of the importance of journalism in a free society and has volunteered at a national journalism association. In 2018 he was nominated for a CAJ daily excellence award for his coverage of Canada's federal chief scientist.