Blog
Carbon Market
Why do we need to put a price on carbon emissions?

Why do we need to put a price on carbon emissions?

To address climate change and its associated costs, governments must implement carbon pricing mechanisms like carbon taxes and emissions trading schemes to hold polluters accountable for their emissions and fund future climate solutions; this promotes responsible investing and incentivizes a transition to green finance and renewable energy. Without carbon pricing, society bears the burden of pollution's heavy price tag.

If governments fail to implement effective carbon pricing, there is nobody to pay for the cost of pollution. Instead, they are left for future generations to handle. 

The heavy price of CO2

Many damages to compensate for 

Global warming causes harm in countless ways, and the damages we must address come in many forms and sizes:

  • Rising Sea Levels: Melting ice caps and glaciers are causing sea levels to rise, threatening coastal communities with increased flooding and erosion.
  • Extreme Weather Events: More frequent and severe storms, heatwaves, and wildfires are linked to climate change, resulting in devastating impacts on lives, infrastructure, and economies.
  • Biodiversity Loss: Rising temperatures and habitat destruction are causing many species to become endangered or extinct, disrupting ecosystems that provide vital services to humanity.
  • Agricultural Disruption: Changes in climate patterns affect crop yields, leading to food shortages and higher prices.

[[cta-nl]]

The future also comes with a carbon price tag

Addressing the climate crisis is not only about compensating for past mistakes but also about securing funds for the future. The Institute for Climate Economics estimates that there is a €813 billion climate funding gap to fill between 2024 and 2030. This gap is the difference in the financial resources needed to meet climate goals and the amounts that are actually invested to fight global warming.

To pay the bill, we must first put a price on carbon 

Since carbon emissions are a negative externality, if there is no governmental intervention, polluters will keep polluting, leaving society to deal with the resulting damages. In a free market, there is no economic incentive for CO2 emitters to compensate for their actions. To fix this, we need a carbon pricing system based on the 'polluter pays' principle, where those who release carbon emissions cover the costs of their actions.

[[cta-discover]]

The many ways to price carbon 

Carbon pricing mechanisms can take various forms, each with its own structure, size, and effectiveness:

  • Emissions Trading Schemes (ETS): An emissions trading scheme is a market-driven approach to controlling pollution by setting a cap on emissions and allowing businesses to buy and sell emission allowances.
  • Carbon Taxes: A carbon tax is a fee on the carbon content of goods and is proportional to the related volumes of CO2 - there is no limit on how much carbon can be emitted within an economy. 
  • Voluntary Carbon Markets: These allow businesses and individuals to purchase carbon credits to offset their own emissions. Those are structured through projects with the purpose of reducing, spring, or removing carbon from the atmosphere.

Without a price on CO₂ introduced by regulators, we will continue to see our homes flooded and our infrastructure destroyed; polluters must be held accountable for their actions.

Share this article :

Learn more

Carbon Market

Can EUAs disappear? 5 reasons the carbon market is here to stay

We are often asked: what if Europe decided to stop the carbon market? Here are 5 reasons why this scenario, while theoretically possible, is in practice highly unlikely.

June 18, 2026

Carbon Market

CBAM: Europe sets its first carbon border price at €75.36/tCO₂

On 7 April 2026, Europe reached an unprecedented milestone in the history of global climate policy: the European Commission published the first official price under the Carbon Border Adjustment Mechanism (CBAM), set at €75.36 per tonne of CO₂. It is the world's first operational carbon border price.

April 10, 2026

Carbon Market

Academic Travel Meets Climate Action: CEPR Partners with Homaio to Cut Its Carbon Footprint

Academic travel is inevitable, but its impact doesn't have to be. CEPR joins forces with Homaio to permanently cancel EU carbon allowances and take direct, measurable climate action.

April 3, 2026

What if your savings funded the climate transition?

Homaio is the first platform that allows you to invest in European (EUA) and British (UKA) carbon quotas.

Diversify: integrate climate assets into your portfolio.
Discover Homaio
Finally access investments that combine
financial
 and
environmental
 performance
The Guide to Climate Investing

Investing in the climate without sacrificing performance: an accessible guide to understanding it all.

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Free guide
The guide to investing in UK carbon allowances

Understanding the UK carbon market and its potential for investors.

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Free guide
Newsletter
The Homing Bird

5 minutes a week to become unbeatable on climate finance.

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Simulate your return in 2 clicks

Discover the added value you could have achieved if you had invested in one of our assets 1, 5, or 10 years ago.

Chat with an expert

Need help or more information? Schedule an appointment with our expert, who will be delighted to assist you!