Marlo Lewis, Jr. is a senior fellow at the Competitive Enterprise Institute. Lewis writes on global warming, energy policy, and public policy issues.
Marlo has been published in The Washington Times, Investors Business Daily, TechCentralStation, National Review, and Interpretation: A Journal of Political Philosophy. He has appeared on various television and radio programs, and his ideas have been featured in radio commentary by Rush Limbaugh and G. Gordon Liddy.
Prior to joining CEI in 2002, he served as Director of External Relations at the Reason Foundation in Los Angeles, California. During the 106th Congress, Marlo served as Staff Director of the House Government Reform Subcommittee on National Economic Growth, Natural Resources, and Regulatory Affairs. Marlo has also served as Research Director for the grassroots organization, Citizens Against Government Waste. Earlier, he was a Staff Consultant to the House Foreign Affairs Subcommittee on International Economic Policy and Trade, a Special Assistant at the State Department Bureau of Inter-American Affairs and Bureau of International Organization Affairs, and a Visiting Assistant Professor of Political Science at Claremont McKenna College.
He holds a Ph.D. in Government from Harvard University and a Bachelor of Arts in Political Science from Claremont McKenna College. His interests include the science, economics, and politics of global warming policy; the precautionary principle; environmentalism and religion; and the moral basis of free enterprise.
Authored by Marlo Lewis, Jr.
News
EPA proposes rule to overturn regulatory finding justifying major restrictions on consumer choice: CEI analysis
Today, EPA Administrator Lee Zeldin announced the agency’s proposed rule that would overturn the 2009 endangerment finding. For 16 years, this finding has been…
EPA’s decision to allow California to ban new gas-powered cars by 2035 reversed after President Trump signs CRA resolution
California’s green light from the Environmental Protection Agency to ban new gas-powered cars by 2035 was revoked after Congress passed a Congressional Review Act (CRA)…
CEI praises EPA Administrator for proposing the repeal of greenhouse gas rule and to amend mercury rule
Environmental Protection Agency Administrator Lee Zeldin today announced the forthcoming proposed repeal of the Biden era Clean Power Plan 2.0 rule regulating greenhouse gas emissions…
Blog
The Endangerment Finding’s disqualifying systemic biases, part 2
- By: Marlo Lewis, Jr.
The previous post in this series documented the 2009 Greenhouse Gas Endangerment Finding’s reliance on overheated models and inflated emission scenarios to estimate…
The Endangerment Finding’s disqualifying systemic biases, part 1
- By: Marlo Lewis, Jr.
On August 1, 2025, the Environmental Protection Agency (EPA) proposed to repeal its December 2009 Greenhouse Gas Endangerment Finding. In the Endangerment Finding,…
Power plant greenhouse gas emissions don’t contribute significantly to ‘dangerous air pollution’
CEI recently submitted comments on the Environmental Protection Agency’s (EPA) Proposed Rule to repeal greenhouse gas (GHG) emission standards for fossil fuel power…
Op-Eds/Articles
Watts Up With That
Part 2 Hiding the Endangerment Finding’s Systemic Biases – Politico’s Failed Attack on DOE’s Climate Science Report
- By: Marlo Lewis, Jr.
Part 1 can be found here. Marlo Lewis, Ph.D., Senior Fellow in Energy and Environmental Policy, Competitive Enterprise Institute Part 2: Allegations and responses The Politico reporters…
Watts Up With That
Hiding the Endangerment Finding’s Systemic Biases – Politico’s Failed Attack on DOE’s Climate Science Report Part 1
- By: Marlo Lewis, Jr.
Part 2 can be found here. Marlo Lewis, Ph.D., Senior Fellow in Energy and Environmental Policy, Competitive Enterprise Institute Politico recently published an article…
National Review
How Does One-Third the CO2 Emissions Cause Three Times the Climate Damage?
- By: Marlo Lewis, Jr.
This month, the Environmental Protection Agency (EPA) published revised estimates of the social cost of carbon dioxide, methane, and nitrous oxide — the three…
Studies
Modernizing the EPA: A Blueprint for Congress
Forward Kent Lassman, President of the Competitive Enterprise Institute President Richard Nixon established the Environmental Protection Agency (EPA) through the Reorganization Plan No. 3 of…
Why Carbon Taxes Are Anti-Growth, Anti-Consumer, and Politically Dangerous for Conservatives
- By: Marlo Lewis, Jr.
A tax on carbon dioxide (CO2) emissions, contrary to its advocates’ claims, is a market-rigging policy, not a free market one. Its purpose is to…
Lift #NeverNeeded Regulations that Make Energy More Expensive
- By: Marlo Lewis, Jr.
Low-income households, which are more likely to suffer from unemployment and other stresses during the COVID-19 crisis, spend much more of their household budget on…
Citations
Master Resource
Modernize EPA! (CEI guidebook is out)
Master Resource cited CEI’s experts on new study in modernizing the EPA “Kudos to CEI for its unwavering dedication to principled scholarship in its long,…
The White House
National Energy Dominance Council Paves Way for Unleashing American Energy
- By: Marlo Lewis, Jr.
The White House cited CEI’s expert on oil imports. Competitive Enterprise Institute Senior Fellow Marlo Lewis: “This is welcome news. Unlike the previous administration, which…
Daily Caller
Trump Could Make Biden’s EV Mandates Obsolete, Revamp Auto Industry With One Move
- By: Marlo Lewis, Jr.
The Daily Caller cited CEI’s expert on EPA under the Clean Air Act “The Trump administration’s Environmental Protection Agency (EPA) could make a determination that…
Regulatory Comments
CEI Comments on EPA Proposed Rule “Reconsideration of 2009 Endangerment Finding and Greenhouse Gas Vehicle Standards”
Dear Mr. Stout: On behalf of the Competitive Enterprise Institute (CEI), we appreciate this opportunity to provide comments on the Environmental Protection Agency’s (EPA) proposed…
CEI Comments on the Department of Energy’s Report A Critical Review of Impacts of Greenhouse Gas Emissions on the U.S. Climate
Dear Mr. Loucks, On behalf of the Competitive Enterprise Institute (CEI), we respectfully submit these comments on the Department of Energy’s (DOE’s) July 29, 2025,…
CEI Comments on EPA’s Proposed Repeal of Powerplant Greenhouse Gas Emission Standards
Re: Docket No. EPA–HQ–OAR–2025–0124 Dear Ms. Thompson: On behalf of the Competitive Enterprise Institute (CEI), we respectfully submit these comments on the Environmental Protection Agency’s…