A Time Machine Through Global Temperature Averages

In Roger Hill's Weather Classroom by WDEV Radio

Radio Vermont Forecaster Roger Hill looks at how temperature averages have changed since the end of the last ice age when compared to data from 1961-1990 and how the earth’s temperature affected early and modern humans. Then he looks forward, past 1990 to today and beyond. What does our temperature trend mean for the planet and humans in the next 1-3 decades?