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Jay Lehr

Jay Lehr, Ph.D. is science director of The Heartland Institute.

Jay Lehr is an internationally renowned speaker, scientist, and author

Lehr is an internationally renowned speaker, scientist, and author who has testified before Congress on dozens of occasions on environmental issues and consulted with nearly every agency of the national government, as well as many foreign countries.

Lehr is a leading authority on groundwater hydrology. After graduating from Princeton University at the age of 20 with a degree in Geological Engineering, he went on to receive the nation’s first Ph.D. in Groundwater Hydrology from the University of Arizona. He later became executive director of the National Association of Groundwater Scientists and Engineers.

Lehr is the author of more than 1,000 magazine and journal articles and 36 books. He is editor of Rational Readings on Environmental Concerns, McGraw-Hill’s Handbook on Environmental Science, Health and Technology (2000); Wiley’s Remediation Technologies Handbook (2004); the Environmental Instrumentation and Analysis Handbook (2005), the six-volume Water Encyclopedia (Wiley Interscience, 2005); and Wiley Interscience's Nuclear Energy Encyclopedia: Science, Technology, and Applications (2011).

Lehr has spoken in front of thousands of audiences on topics ranging from global warming and biotechnology to business management and health and physical fitness. He invariably receives the highest scores for entertaining and energizing even the largest audiences.

He was featured in Parachute Magazine in March 2010 for setting a new world record, having jumped from an airplane each and every month for 32 years.

Recent Articles and Publications

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March 6, 2019
By Jay Lehr
Chicago has longstanding problems of governance, say authors
March 5, 2019
By Jay Lehr
One must always look askew at anything and everything Mr. Musk spouts, in spite of his brilliance. For many believe insanity may be the other side of genius.
March 5, 2019
By Jay Lehr, Tom Harris
Illinoisans should not tolerate their new governor devoting attention and tax dollars to this fictitious problem. Pritzker’s agenda would dramatically increase energy costs, reduce consumer choice, and accomplish no climate benefits whatsoever.
February 21, 2019
By Jay Lehr, Tom Harris
Global cooling – and global totalitarian socialism – are the catastrophes we should fear most.
October 31, 2018
By James Taylor, Jay Lehr, Peter Ferrara
'The scientific evidence gets stronger every day that global warming alarmism is a failed theory. To the extent EPA has chosen to implement greenhouse gas regulations, the ACE rule is far superior to the Clean Power Plan.'
October 22, 2018
By Jay Lehr
Testimony Before the Committee on Environmental Protection of the New York City Council Regarding Oversight-Resiliency in the Face of Sea Level Rise
April 13, 2018
By Jay Lehr, Kenneth Haapala, Patrick Moore, Patrick Frank
Although completed too late to submit to the judge, this document stands on its own as a good primer on climate change.
February 28, 2018
By Jay Lehr
This Heartland Policy Study critiques and rebuts the “Climate Science Special Report” released by the U.S. Global Change Research Program in November 2017. It refutes the earlier report’s assumption that “the science is settled” and exposes its biases.

2018 By the Numbers

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that Heartland hosted, attended, or spoke at, reaching over 34,000 guests in 2018.
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on Facebook posting and reposting over 1 million times a week