#How cold was the ice age? Researchers now know
“#How cold was the ice age? Researchers now know” Credit: Unsplash/CC0 Public Domain A University of Arizona-led team has nailed down the temperature of the last ice age—the Last Glacial Maximum of 20,000 years ago—to about 46 degrees Fahrenheit (7.8 C). Their findings allow climate scientists to better understand the relationship between today’s rising levels…