Environmental News Network: Alberta is Canada's industry epicenter and home to more than 40 companies that produce industrial emissions. Recent studies conducted by the University of California and the University of Michigan have indicated higher levels of contaminants which can potentially be linked to spikes in the incidences of cancer in the region. The findings by UC Irvine and University of Michigan scientists, published online this week, reveal high levels of the carcinogens 1,3-butadiene and benzene and other airborne...