Complex sentence: The province's economic boom and resulting affluence of its youth have been identified as the root cause of the increase in binge drinking, but some blamed inadequate restrictions on alcohol sales in establishments (compared to other provinces) as contributing to the problem.
Split into simpler sentences: The province's economic boom and the resulting affluence of its youth were identified as the root cause of the increase in binge drinking. Some blamed inadequate restrictions on alcohol sales in establishments (compared to other provinces) as contributing to the problem.