IER

Studies & Data

2026 Environmental Quality Index

The 2026 Environmental Quality Index (EQI) highlights the United States as a leading energy producer while maintaining high environmental and human freedom standards. Far from harming the planet, America’s energy...

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May 2022

Carbon Border Adjustment Policy Brief

Jordan McGillis
March 2022

The Climate Fund Act: Harmful to Workers and Consumers

June 2021

Climate Policy: The Case for a New Perspective

David Kreutzer
March 2020

Big Green, Inc: The Kresge Foundation and the Allure of Activism

February 2020

Breathe a Little Easier: Why America's Air is Among the Cleanest in the World

Alexander Stevens
January 2020

TCI 101