I have well over 300+ posts about impact on the environment by air pollution, Big Oil, wind generation, solar PV, battery storage tech, etc. I have now created categories in this group which can easily be filtered to see posts just relating to that category (this is why I love social media that has proper groups and categories for posting from a profile).
I have a similar group at MeWe which has a tag cloud of tags relating to all posts, and by clicking on the tag it would achieve a similar result.
See Green Technology and Environment