Green finances
2025 02 14
•
2 MIN
Jaume Fontal
CPTO & Co-Founder

Environmental taxation (or green taxation) is the set of taxes, levies and charges that tie the tax burden to an environmental impact. Its value is not limited to raising revenue: well designed, it discourages what pollutes and rewards efficiency, renewables and the circular economy. This article sums up its real benefits for business, society and the environment.
In Spain these instruments have been consolidating in line with the European Green Deal. For an overview of the framework, see the guide on green taxation in Spain.
By putting a price on pollution and rewarding clean investment, environmental taxation pushes the private sector towards more efficient solutions:
These investments can also often be combined with tax deductions for renewable energy, strengthening the return.
The most direct purpose of environmental taxation is to reduce the environmental impact of activities that generate CO₂ emissions, waste or air pollutants. Raising the cost of those activities helps improve air and water quality, with positive effects on health:
Revenue can be channelled into funding environmental projects and driving the circular economy: ecosystem restoration, support for renewables or awareness programmes. When that return to society is visible, public acceptance of the tax rises and a virtuous circle closes.
The green transition that environmental taxation accelerates creates jobs in energy retrofitting, waste management and renewable installations:
Passing part of the environmental cost on to producers and consumers changes behaviour: it favours responsible consumption, waste reduction and the efficient use of resources. In this sense, environmental taxation also works as an educational tool.
The first step to turning environmental taxation into an advantage is to measure: knowing your own footprint of emissions, waste and resource use lets you identify where to cut tax costs and where to access incentives. From there, it is worth reviewing the applicable deductions, reliefs and grants, and prioritising the investments with the greatest environmental and economic return.
Environmental taxation delivers benefits that go beyond revenue: innovation and competitiveness, better public health, green jobs and greater social awareness. For companies, moving early is not just about compliance, but about differentiation. Manglai's carbon footprint solution helps you measure that starting point and make decisions based on data.
Jaume Fontal
CPTO & Co-Founder
About the author
Jaume Fontal is a technology professional who currently serves as CPTO (Chief Product and Technology Officer) at Manglai, a company he co-founded in 2023. Before embarking on this project, he gained experience as Director of Technology and Product at Colvin and worked for over a decade at Softonic. At Manglai, he develops artificial intelligence-based solutions to help companies measure and reduce their carbon footprint.
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