There has continued to be, obviously, a debate over how serious or significant this risk is with respect to environmental exposures, and there is always going to be a debate in terms of quantifying exactly what percentage of cancers in Canada can be attributed to environmental or occupational exposures.
Il y a eu, visiblement, un débat prolongé sur le degré de gravité des risques associés aux expositions environnementales et il y aura toujours un débat sur la détermination exacte des pourcentages de cancers au Canada attribuables aux expositions environnementales ou professionnelles.