‘Those who cannot remember the past are condemned to repeat it.’ – George Santayana Our planet’s climate recently achieved a disturbing milestone in history, with atmospheric carbon dioxide levels reaching 415 parts per million (ppm). The last time CO2 levels were so high occurred more than two million years ago during the mid-Pliocene. Over the […]
Author Archives: Jeffrey Kiehl
Jeffrey Kiehl, Ph.D., is an adjunct professor at the University of California, Santa Cruz, in the Department of Earth & Planetary Science, and an adjunct faculty member of Pacifica Graduate Institute, where he teaches a course on ecopsychology.
For nearly 40 years Jeff conducted research on climate science at the National Center for Atmospheric Research, NCAR, in Boulder, Colorado. He has published more than 140 studies on issues such as the effects of trace gases on the climate; the role of clouds and aerosols on the climate system; climate feedbacks and Earth’s climate sensitivity, and simulations of deep-past Earth climates.
With a PhD in atmospheric science from the State University of New York, Albany, Jeff also holds advanced degrees in clinical psychology, and he is certified as a senior training analyst in analytical psychology. He is co-editor of Frontiers of Climate Modeling and author of Facing Climate Change: An Integrated Path to the Future, published by Columbia University Press in 2016 and providing a psychological perspective on climate change. He is a Fellow of the American Geophysical Union (AGU) and of the American Meteorological Society (AMS) and the 2012 recipient of AGU’s Climate Communication Prize.