The most recycling friendly laptop is the one you already on, isn't it? In addition, if somebody dropped a quarter of that price on a laptop, then used It's in exchange for a different laptop every couple years, couldn't they have a half decent system for around a decade without having to worry about a laptop that's expensive up front but easy to upgrade?
I'm not very good with hardware replacement myself, but based on some of the comments here, if I needed a laptop I might consider a used ThinkPad