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For avid Calgary-based hiker Sarah Kuindersma, the tempest began with a coffee cup.
In June, she set out for the Devil’s Thumb, a protuberance of rock that looms above the iconic blue waters of Lake Louise in Banff National Park. Kuindersma had heard that people were flocking to the Rocky Mountains, so she brought extra garbage bags in anticipation she’d find litter.
She was stunned by what she saw: granola bars and wrappers, masks and single-use water bottles dotted the dirt trail. She stuffed four grocery bags as she made her way up the path.