I also want to buy less stuff / waste less. I'm trying to ask myself "do I need it?" and "do I love it?" about purchases and not buy things for bad reasons like 'but it's on sale' or 'that looks nice'.
Also recycle/donate/give away things we don't want/need/use. I'm going to try and get rid of one thing a week.
If anyone wants to donate their old hardware, check out this list of organizations:
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