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From extreme heat to severe drought to flooding, the effects of climate change have steadily produced troubling ripple effects around the globe, including food insecurity and natural disasters.

Scientists have reported a new discovery exposed by the ongoing water level crisis in Lake Mead in the United States of America.

Record-low water levels in Lake Mead in Nevada and Arizona have exposed volcanic ash from eruptions 12 million years ago as far away as Idaho, Wyoming and Colorado. The discovery may help investigators better understand future ashfall risks, researchers at the University of Nevada-Las Vegas said in a recent study.

As Lake Mead's water level continues to drop, scientists at 51³Ô¹ÏºÚÁÏ have discovered sedimentary rock laced with volcanic ash that hasn't been visible since the 30s.

Lake Mead’s falling water level has exposed several shocking things in recent months – previously sunken boats, old war ships and human remains. Now scientists are reporting a new discovery on Lake Mead’s dry bed: rocks laced with volcanic ash that rained down on southern Nevada during explosive eruptions roughly 12 million years ago.

Ramping up renewable energy products will require a range of critical metals. One of these elements, tellurium, is gaining in popularity for use in photovoltaics, or solar panels. As global demand for solar panels continues to increase, so is the need for critical metals like tellurium, notes the Geological Society of America.

Ramping up renewable energy products will require a range of critical metals. One of these elements, tellurium, is gaining in popularity for use in photovoltaics, or solar panels. As global demand for solar panels continues to increase, so is the need for critical metals like tellurium.

Boats and bodies aren’t the only things revealing secrets at Lake Mead. Newly-exposed rock at Lake Mead has revealed that the Las Vegas Valley could be impacted by volcanic ash from neighboring states.

Not only have Lake Mead’s dwindling water levels exposed human remains and old relics but now decades-old sedimentary rocks containing volcanic ash are being seen at the lake, according to a recent 51³Ô¹ÏºÚÁÏ study.

Lake Mead's receding water levels are now revealing ancient volcanic eruptions from millions of years ago.

A diamond contains the only known sample of a mineral from Earth’s mantle—and hints at oceans’ worth of water hidden deep within our planet

The mineral may shake things up by changing its identity at high pressure and temperature