The “polluter pays”: who really finances your work?
When you benefit from MaPrimeRénov’ assistance to insulate your attic or your municipality mobilizes the “Green Fund” to renovate the local school, a question arises: where does this money really come from in a national budgetary context under high tension? Contrary to popular belief, it is not only taxes that fuel these systems, but the “polluter pays” principle applied across the continent.
Since 2005, the European Union has required the highest emitting sectors (energy, cement, steel) to buy pollution rights. In France, all of the revenue from these auctions is now earmarked for the ecological transition. It’s a massive, albeit barely visible, transfer of wealth: the proceeds from carbon auctions paid by industry directly finance the insulation of your home and the decarbonization of our infrastructure. Without this financial flow, support for private housing (Anah) and aid to SMEs for their energy efficiency would be deprived of an essential pillar.
2026: The turning point of scarcity
In 2026 we will reach a decisive milestone. On the one hand, the Carbon Border Adjustment Mechanism (CBAM) is now fully operational, requiring importers to pay the same carbon price as our local producers.
On the other hand, the supply of quotas is experiencing an unprecedented shock. By a purely effect mechanically linked to the planned withdrawal of volumes and the total cessation of free allocations for the aviation sector, the number of allowances put up for auction is decreasing by almost 9% this year. This rarefaction is not the result of a last-minute political arbitration, but the rigorous execution of a European legislative calendar already established. In any economy, scarcity creates value: this mechanism ensures the sustainability of the financing of our public aid.
A wealth opportunity for the saver
Beyond the financing of public aid, this structuring reveals a real investment opportunity. The carbon quota has become an asset class in its own right, now accessible to individuals.
Why is this a virtuous approach for your savings? Because the performance of this asset is backed by an irreversible European political will: carbon neutrality in 2050. By mechanically reducing supply, Europe is forcing decarbonization: this planned shortage is the very basis of the asset’s value. Although it remains subject to short-term volatility, often linked to economic cycles or geopolitical tensions, the carbon quota has established itself as one of the best performing assets of the last ten years.
Investing in carbonit means participating in the liquidity of a market which directly finances the aid from which we all benefit. Finally, it is solid asset coverage: the saver can capture the value created by this carbon constraint to protect their purchasing power in the face of the transition.
Climate investment is no longer a financial abstraction! It is the fuel of our industrial sovereignty and, undoubtedly, one of the most coherent investments of this decade to reconcile financial return and social utility. Investing for the climate is also investing for yourself.
Expert in financial markets and climate transition, Valentin Lautier is the founder of Homaio, the first platform allowing private investors to access the European carbon quotas market. He regularly intervenes to decipher the economic sovereignty issues linked to decarbonization.











