smartmic parent
Not necessarily, if you choose a friendly alternative. In Germany, we have https://www.oekobon.de/ , I guess there a similar offers for other markets. As always, there are downsides. In this case, the eco version comes with a blue base color.
My daily supermarket uses these and I keep old receipts for personal finance evaluation, they definitely do not hold up as well as the website advertises. As soon as they get a few crinkles, they darken and get really hard to read.
Ideally, we’d all get to online-only receipts and stop the paper madness already, but that said, it’s still miles ahead of ordinary thermopaper.