I've read that most visible flames in campfires are just glowing soot
efiler
joined 2 years ago
YSK: If your instance updated to 0.18.1, there's new themes in your profile settings, including compact and pure black themes! (for the website version of lemmy, version number at bottom of page)
At least the "medieval warm period" which gets cited a lot, was a regional phenomenon and global temperatures are higher today. The Wikipedia page seems to suggest the same for the Roman warm period.