Ancient Hawaiian Glaciers Hold Clues to Past Climate Change Boulders deposited by an ancient glacier that once covered the summit of Mauna Kea on the island of Hawaii are providing clues to past climate changes on Earth. A new study has found geochemical clues near the summit of volcanic Mauna Kea that tell a story of ancient glacier formation, the influence of the most recent ice age, more frequent major storms in Hawaii, and the impact of a distant climatic event that changed much of the world. Mauna Kea, at 13,803 feet (4,207 meters) ......

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