This apparent decoupling in western nations is an illusion made possible by globalization, where resources are extracted from the global South. When you count in production, no more decoupling can be found.

Find the sources for these from for example:

https://www.tandfonline.com/doi/abs/10.1080/13563467.2019.15...

Edit. Here specifically on decoupling:

https://www.sciencedirect.com/science/article/abs/pii/S14629...