Environmental and ecological discussion, particularly of things like weather and other natural phenomena (especially if they're not breaking news).
See also our Nature and Gardening community for discussion centered around things like hiking, animals in their natural habitat, and gardening (urban or rural).
This community's icon was made by Aaron Schneider, under the CC-BY-NC-SA 4.0 license.
Seperate waste collection for biological waste and industrial composting exists in many european countries since the 80s. And long before that homeowners would often compost at home.
I am really suprised that this is only slowly catching up in the US now.