B.C. documentary filmmaker Daniel Pierce has focused his lens on how deforestation, combined with climate change, elevates the risk of flood damage in the province’s river basins. Pierce presented his 2025 documentary, Trouble in the Headwaters at the recent CatIQ Connect claims conference in Toronto. …the film analyzes root causes behind the 2018 floods in Grand Forks, B.C., where more than 100 families were displaced and an estimated $38 million in damage was caused to buildings. Much was not eligible for insurance coverage, since policy deductibles for overland flood ranged between $2,000 and $100,000… Pierce’s film features Dr. Younes Alila, a professor of forest hydrology at the University of British Columbia. Alila published a controversial academic research paper in 2009 claiming: “While large floods may not appear to increase much in magnitude [due to loss of tree cover], they may occur more frequently as a result of forest harvesting or deforestation.”