1958 - Global Warming - It's NOT newly known
Why the open web links it
Shows early scientific awareness of global warming from a 1958 educational film by Frank Capra.
Linked by 18 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including openculture.com, polityka.pl, realclimate.org, theoildrum.com, loe.org.
Cited in 1 Wikipedia article, including The Bell System Science Series.