In 1958, scientist Charles David Keeling began measuring carbon dioxide levels high atop Hawaii's Mauna Loa volcano. The atmosphere contained approximately 316 parts per million of CO2. By May 2026, that number had climbed to 432. What happened in between, and what does it mean for our planet?
In this episode of Disturbing History, Brian tackles three of the most debated questions in modern science: Is the Earth really getting warmer? Are sea levels actually rising? And are humans responsible? From the earliest discoveries of greenhouse gases to decades of climate research, Brian examines the scientific evidence, the controversies, and the predictions that didn't hold up.
We explore the infamous climate emails, disputed temperature records, accusations of manipulated data, and what major oil companies knew about global warming decades before it became a political battleground.
Then we turn to the oceans. Are rising seas a genuine threat? What do historical tide gauges, NASA satellites, and melting ice sheets actually tell us? And what can places like Miami, Louisiana, and the island nation of Tuvalu teach us about the consequences?
No political talking points. No fearmongering. Just the history, the science, the controversies, and the evidence.
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Disturbing History is a dark history podcast exploring unsolved mysteries, secret societies, historical conspiracies, lost civilizations, and the shadowy stories buried beneath the surface of the past.
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Because sometimes the truth is darker than fiction.
