Ex.3: Colorado’s Persistent Ozone Problem
Dec 2023,
University of Denver Sturm College of Law

Ex.1: Report: “The Heath Care Consequences of Extreme Heat…”
Sep 2022,
Center for American Progress

Ex.2: New Report: Denver, Fort Collins Named Among the Most Polluted Cities”
Apr 2022,
American Lung Association

Ex.4: NOx Emissions from Natural Gas Combustion
Jan 2024,
Jana Milford, Ph.D., J.D.

Ex.5: Air Pollution and Cardiovascular Health
Oct 2022,
Eugenia Miller, M.D.

Ex.6: Health Effects from Gas Stove Pollution
May 2020,
Physicians for Social Responsibility (PSR)

Ex.8: Gas Pipeline Safety Program
May 2023,
Colorado State Auditor

Ex.9: Compendium of Scientific, Medical, and Media Findings…
Oct 2023,
Physicians for Social Responsibility (PSR)

Ex.7: Gas Stove Emissions Are a Public Health Concern…
Nov 2022,
American Public Health Association

Ex.10: Assessing the Viability of Hydrogen Proposals…
Mar 2022,
Energy Innovation

Ex.12: To the Public Utilities Commission (PUC)…
Oct 2023,
PSR Colorado

Ex.11: Hydrogen Pipe Dreams: Why Burning Hydrogen In…
Jun 2022,
Physicians for Social Responsibility (PSR)

Ex.14: Public Service Company of Colorado’s Responses…
Dec 2023,
Public Service Co. (subsidiary of Xcel Energy)

Ex.13: Investigation by the Department of Public Utilities…
Dec 2023,
Massachusetts Department of Public Utilities