Existing Buildings, New Roles: Why Is Green Retrofit Coming to the Fore?
Accelerating climate change and wartime tensions have made one thing clear: planning should increasingly focus on transforming the existing building stockDue to the increasingly severe shortage of raw materials and the tightening EU regulations aimed at achieving climate targets, the modernisation and functional transformation of existing buildings are increasingly coming ...
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2025 ESG Report Published
Our 2025 ESG Report has been published. This is the fourth time we present our annual performance transparently in the areas of sustainable development that are of key importance to us. The report covers the period between 1 January and 31 December 2025, and summarises CÉH zRt.’s ESG approach, results, initiatives and ...
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Earth Day - Sustainable construction, lasting value
Sustainable construction is not only an environmental issue but an economic one as well. Energy efficiency, conscious water management and a life-cycle approach can together help ensure that our buildings remain more valuable, more economical and more responsibly operated over the long term.Earth Day reminds us every year that ...
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The City as a Sponge: Engineering Responses and the Importance of "Special Structures"
On 22 March, World Water Day draws global attention to one of our most important natural resources. In 2026, the event's main theme is "Water and Equality - Water as a Creator of Opportunity".As a result of climate change, extreme weather events are becoming increasingly frequent: long, drought-stricken periods are interrupted ...
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World Savings Day
From International Pi Day [∏] to Train Drivers’ Day, there are roughly 306 “world days” observed around the globe. Some of these highlight the importance of certain occupational groups identifiable at an international level, while others call attention to people living with widely known diseases.Among “world days,” those focusing attention—at ...
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Sustainable Buildings: Our Undemolished Future
Peeling plaster, broken windows, sunken sidewalks—how often do we pause in front of such buildings and think: when will they finally tear this down? Yet the situation is far more complex. The majority of worn-out, outdated, and abandoned properties could not only be salvaged through deep renovation, but could ...
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ESG Report 2024
Our Third ESG Report: Value, System, SustainabilityAt CÉH Zrt., we believe that engineering knowledge must not only drive technological progress but also contribute to the sustainability of society and the environment. With this in mind, we have published our third annual ESG report – voluntarily – providing a comprehensive overview of ...
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A Different Balance Sheet
World Environment Day – 5 June 2025In 1972, the UN held its “Man and the Biosphere” conference in Stockholm, where World Environment Day was established. Since then, each year on this day, events and campaigns worldwide raise awareness about the fragile state of our environment and the importance of sustainability and the circular ...
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Environmentally Friendly Solutions at the Semmelweis University Science Park
During the design of the Semmelweis University - Science Park project, we examined innovative processes and technical solutions that enable the sustainable implementation, operation, and optimized, more efficient project development of the building. Some of the options we explored only reached the testing phase, others were evaluated in detail, while ...
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World Water Day 2025, glacier protection
The United Nations declared March 22nd as World Water Day following the International Conference on Environment and Development held in Rio de Janeiro in 1992. Each year, World Water Day has a specific theme: in 2025, the focus is on the protection of frozen water resources, meaning this year we are paying ...
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