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Dr. William Gray, a professor emeritus of Colorado State University, poses in snow atop Cameron Pass in the Rockies of northern Colorado. Gray argues that currently rising global temperatures are part of a repeating pattern, and that temperatures will drop again over the coming 20 years.
Dr. William Gray, a professor emeritus of Colorado State University, poses in snow atop Cameron Pass in the Rockies of northern Colorado. Gray argues that currently rising global temperatures are part of a repeating pattern, and that temperatures will drop again over the coming 20 years.
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