100%. You need a lot less raw material when you design things to be durable, repairable, interchangeable, and recyclable.
Couple that with combating the "everyone needs to personally own everything they want to use" notion that leads to overconsumption. Loads of things can just work through formal or informal libraries, e.g., no one needs to personally own a carpet cleaner; better to share a really nice one than have dozens of crappy ones in circulation.