U.S. Republican politicians from Michigan pen letter to PM Carney after wildfire smoke fills U.S. skies CTV NewsRepublicans blast Canada over wildfire smoke, air quality in northern U.S. CBCCarney defends new pipeline in face of questions over wildfires, climate National Post‘Sovereignty comes with responsibility:’ U.S. lawmakers to Canada on wildfires Global NewsU.S. lawmakers press Canada on wildfires as Carney defends environmental record Toronto Star
