The Ecological Collapse Of California: State Hits 500-Year Record For Drought

California seems to be in the news a lot lately when it comes to flooding, earthquakes, and wildfires but it has turned many away from the fact that the historic California drought of the past few years is the worst one that has occurred in the last 500 years, according to a recent study published in the journal Nature. After the announcement by California state officials that they had found no snow in the Sierra Nevada mountains for the first time in the 75 years since snowfall records began, a research team conducted a study aimed at finding out more about the region’s long-term snowfall history. By studying the thickness of rings in core samples taken from blue oak trees growing in the mountains, the researchers were able to accurately measure the winter rainfall records during past centuries.

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