Back to today’s briefing

Story perspectives

California's Glaciers Face Extinction by Next Century

10/9/2025

37 6

Summary

Story summary

California's Sierra Nevada glaciers may vanish by the next century.
They would be the first ice-free peaks in human history.
Glaciers date back tens of thousands of years, from the last ice age.
The study focuses on four glaciers—Conness, Maclure, Lyell, Palisade.
It finds nearly 40% of global glaciers are at risk, with 75% possibly disappearing if warming reaches 2.7°C.

1 of 1

Story summary

California's Sierra Nevada glaciers may vanish by the next century.
They would be the first ice-free peaks in human history.
Glaciers date back tens of thousands of years, from the last ice age.
The study focuses on four glaciers—Conness, Maclure, Lyell, Palisade.
It finds nearly 40% of global glaciers are at risk, with 75% possibly disappearing if warming reaches 2.7°C.