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How we can make our homes and buildings more sustainable in 2023

According to the International Energy Association (IEA), the buildings sector was responsible for approximately one-third of global energy and process-related CO2 emissions by 2021.

Specifically, 6% of these emissions were due to the production of cement, steel and aluminum used for construction; 8% through the use of fossil fuels; and 19% from the generation of electricity and heat needed to maintain them.

This makes one thing clear: more attention must be paid to making our buildings greener and more sustainable.

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Fortunately, 2023 will be the year in which we will take some important steps towards this goal.

“The construction industry has not received nearly the attention it deserves given the havoc it is wreaking on the environment.” Talia Rafaelipartner up COMPASSa Copenhagen-based early-stage VC firm, TNW told me.

“Next year, I think the faster we provide funding to scale up sustainable technologies for the built environment, the faster we achieve economies of scale that will enable widespread adoption,” she added.

Rafaeli specified that investments should focus on the following: lower-emission concrete, green steel, refrigeration technologies to improve HVAC (heating, ventilation and air conditioning) systems and heat pumps.

From an optimistic point of view, we already see European companies developing projects in the field of low-emission concrete and the production of green steel.

Among them is the Finn Betolar, a company creates an alternative to cement-based concrete. There are also Swedish manufacturers H2 green steel and SSABdeveloping hydrogen-based green steel solutions.