# Canadian wildfires threaten US air quality Trump threatens new tariffs over smoke drifting from Canada. - **Source:** [BBC News](https://brifing.si/source/647b890e-c85e-45b8-9588-ccfecdec4a99) - **Published:** 2026-07-20 - **Topic:** [Business](https://brifing.si/c/business) - **Original article:** - **On Brifing:** https://brifing.si/s/5dbad125-bc98-4268-ba6c-8652c57dfe09 ## US-Canada tension Trump threatened new tariffs, claiming that smoke from Canadian wildfires is polluting US air. This statement escalated tensions between the two countries and sparked diplomatic debates. ## Impact of the fires Ongoing wildfires in Canada have forced thousands to evacuate their homes. Regions like Ontario and British Columbia have seen widespread evacuations, with local communities suffering significant damage. ## Destruction of wildlife The fires have severely impacted Canada's natural wildlife. Areas like Whitewater Lake First Nation have seen extensive damage to ecosystems and habitats, causing deep concern among local residents. ## Firefighting efforts The Canadian government has mobilized over 5,000 firefighters and hundreds of aircraft to control the fires. These efforts are ongoing to prevent the spread of flames and protect people. ## Ford's response Ontario Premier Doug Ford criticized Trump's remarks, reminding him of Canada's past assistance to the US. Ford emphasized that they will provide full support in fighting the wildfires. ## Global impact of the fires The Canadian wildfires have become a global issue. Smoke reaching the US has reduced air quality and strained bilateral relations. This situation highlights the effects of the climate crisis once again. ## Sources covering this story - https://www.bbc.co.uk/news/articles/crl7n6j7gr3o?at_medium=RSS&at_campaign=rss — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._