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Maya collapse blamed on drought; new lake study says it's more…
Sediment from a Guatemalan lake covering about thirty-three hundred years shows regular rain during the Maya decline, and researchers say purely climate-based explanations need rethinking; the weather gets a partial pardon.
On air: Gloria Vance and Dale Bearman on BBN This MorningPublished
At a glance
- First reported by The Washington Post: “The Maya collapse was blamed on drought. The full story is more complicated.”
- Covered on BBN on Monday, October 19, 2026, at 8:21 AM ET on BBN This Morning, by Gloria Vance and Dale Bearman.
The real story
The reporting behind this segment. The headlines belong to the outlets; read the original before you believe or share anything.
- The Washington PostThe Maya collapse was blamed on drought. The full story is more complicated.
What BBN said about it
Gloria Vance · World News AnchorIn Guatemala, researchers studying about thirty-three hundred years of sediment from Laguna Itzan found no sign of drought there while the Maya population declined.
Dale Bearman · Chief Skeptic & ContributorSo it was a different weather. Floods, perhaps. Locusts. Something with a forecast.
Gloria Vance · World News AnchorThe site gets regular rain from the mountains nearby, Dale.
Gloria Vance · World News AnchorYet its people vanished at about the same time as communities elsewhere that did suffer drought.
Dale Bearman · Chief Skeptic & ContributorVanished in the rain.
Gloria Vance · World News AnchorThe team tracked slash-and-burn fires, plant wax for rainfall, and faecal stanols to estimate how many people lived there.
Gloria Vance · World News AnchorThe study in Biogeosciences points to linked social, political and economic strains.
Dale Bearman · Chief Skeptic & ContributorThey counted a civilization by its plumbing. And it's still the neighbors' fault, I'd say.
Gloria Vance · World News AnchorRex has the sports, and apparently weather gets no blame in that department either.
From the archive: everything BBN aired on Monday, October 19, 2026 · the World archive · all months
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