Advocates claim it's a solution to pay for spending excesses while reducing greenhouse gas (GHG) emissions. But a carbon tax is a misguided, costly policy that must be rejected.

A carbon tax functions more like an income tax than a consumption tax, capturing all forms of work, including capital goods production and building construction. These sectors are heavy on carbon emissions, meaning the tax disproportionately burdens them, stifling investment and innovation — much like a progressive income tax, but with broader economic repercussions.

For example, in the US, the construction sector alone accounts for about 40 percent of carbon emissions. A carbon tax would heavily penalize this industry, reducing its capacity to grow, generate new housing, and create jobs. Moreover, implementing a carbon tax involves massive administrative costs. The federal tax code is already complex and costly; a carbon tax would exacerbate these issues.

Determining net carbon emissions is a nuanced process subject to ever-changing and arbitrary federal definitions, increasing compliance costs for businesses and consumers.

A study by the Tax Foundation found that a carbon tax would cost billions of dollars annually in administrative costs, a burden that would ultimately fall on consumers through higher prices, less economic activity, and fewer jobs.

The US economy is already suffering from regulatory costs of $3 trillion annually, including many energy-related restrictions, and the Biden administration has added more than $1.6 trillion in regulatory costs since taking office.

One core principle of free-market capitalism is that it comes with limited government. A carbon tax contradicts this principle by expanding governmental regulation of everyday economic activities. The tax revenues would also enable further overspending, though that's questionable given the supposed purpose of the tax is to reduce carbon emissions and, therefore, the taxes collected.

Furthermore, a carbon tax could favor certain production methods over others, disrupting the level playing field that free markets thrive on and leading to inefficiencies and market distortions. The government picks winners and losers by favoring specific methods, undermining competition and economic growth. Renewable energy projects are likely to receive preferential political treatment, skewing investments away from the market's more efficient, practical technologies.