Imagine a city that breathes, capable of transforming what is today considered waste into a resource. This is the vision of entrepreneur Giuliano Regonesi, who in his book Liquid Planet – Biology as infrastructure of air and climate finance, offers a new perspective on the energy transition and adaptation to climate change.
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A new point of view
Already from the subtitle, Regonesi’s book is a clear program: “photosynthesis as a new global economic system.” At the center, the Liquid Planet project, a system that aims to address an environmental but also socio-economic problem, improving quality of life and inequalities among people more or less exposed to pollution.
The idea is as simple as it is ambitious: to use biotechnologies based on microalgae to capture CO2, particulate matter, and harmful gases from the environment, while releasing oxygen at the same time. A different approach to tackling air pollution and global warming by looking beyond the sole imperative of emission reduction (which the author in any case does not question) and integrating this battle with sustainable development.
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In the preface, signed by the Minister of Environment and Energy Security Gilberto Pichetto Fratin, the challenges at the heart of the book’s vision immediately emerge: the climate crisis, health, the sustainability of cities, and the competitiveness of the system. The Liquid Planet project fits into the connections between these major themes and is defined by the minister as “one of the most significant convergences between advanced biotechnology, public health, and urban vision to have emerged in recent decades.”
The luxury of air
The reflection starts from an obvious problem. Breathing clean air, which should be a natural act, has become increasingly difficult especially in urban areas: high population density, energy-consuming buildings, and transport that amplify the problem. Thus air pollution becomes a multifaceted crisis, with impacts on the environment but also health, economic, and social consequences. At the same time, the public debate on climate often risks stopping at denouncing the problems, while the demand for concrete, measurable, and widely applicable tools grows.
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