As the clean energy economy takes off, it will generate some 640,000 jobs by 2030, a 50% increase from 2021, with strong growth in Alberta, industry body Clean Energy Canada forecasts. The oil and gas industry is Canada's highest polluting sector, accounting for 26% of all of carbon output. 'ONE-INDUSTRY CITY'Canada's petroleum sector, which includes oil and gas extraction and refining, contributes about 5.3% to national GDP. In the oil sands hub of Fort McMurray, where a nearly a third of all jobs are in fossil fuels, workers are nervous. Even if clean energy jobs do replace oil and gas jobs, they are unlikely to be in the same location.