
About the Author:
Henry
N. Pollack, PhD, has been a Professor of Geophysics at the University of Michigan for more
than 40 years. In the scientific community, he has earned a reputation as one of the worlds
leading experts on the temperature of the Earth, both today and in the geological past.
An award-winning teacher with a gift for explaining science to non-scientists, Professor
Pollack has taken a special interest in helping leaders in government, business and the
general public understand the scientific developments associated with global climate change.
Over the course of his career, he has educated generations of students, published widely
in scientific journals, led his department as chairman, served as an advisor to the US National
Science Foundation, testified before Congress, and launched the first international efforts
to coordinate research into geothermal evidence of global climate change.