Canadian wildfire smoke ignites cross-border feud over Ottawa's 'willful negligence'

Smoke from Canadian wildfires has sparked a cross-border dispute, with U.S. President Donald Trump accusing Canada of 'willful negligence' in forest management and threatening tariffs on Canadian imports. Experts and U.S. lawmakers criticize Canada's policies for failing to address wildfire risks, while a Canadian Senate report acknowledges the need for improved forest preparation amid escalating wildfire seasons.