The US has had a 30% reduction in like 15 years because of the shale natural gas boom in Texas and PA. While it’s still fossil fuel, it’s allowed us to basically completely get rid of coal power generators, which are orders of magnitude dirtier than combusting methane. Also renewables have helped a lot. Meanwhile, Canada’s recent fossil fuel boom has been from far sand bitumen, which is super dirty and heavy oil. So we kind of have been lucky that fracking has reduced overall emissions despite us not actually putting in that much effort (as an entire country) to reduce emissions