[Sustainable Construction] LC3, a new low-carbon cement

LC3 (limestone calcined clay cement) as a sustainable alternative for the cement industry, is a new low-carbon blended cement that allows cement manufacturers to reduce the CO2 emissions generated in the production process.


The construction industry is a major emitter of greenhouse gases. CO2 emissions from materials used in construction generally are produced by factors such as the energy consumed in the manufacturing process, and direct emissions produced in the same process. Therefore, there is an urgent need to reduce their use to the minimum possible, or implement new materials that comply with the safety standards required for construction and contribute to the reduction of emissions.

In this sense, within the framework of the Paris Agreement (limiting global warming to well below 2°C, preferably 1.5°C), it is necessary to decarbonise all sectors. By 2050, the goal of zero net carbon emissions is to be achieved across the entire life cycle of building construction (Global Climate Action Pathway, 2021).

In this regard, in 2013, the Indian Institutes of Technology in Delhi, Bombay and Madras, together with the Indian NGO Technology and Action for Rural Advancement, joined the research alliance between the Swiss Federal Institute of Technology in Lausanne (EPFL) and the Central University “Marta Abreu” in Las Villas, Cuba – a partnership funded by the SDC – to contribute to the LC3 development, testing, production and dissemination. The involvement of the Swiss National Science Foundation (SNSF) in the initial phase helped to strengthen the project partnership, by taking full advantage of Switzerland’s innovative research community. 

The Regional Hub Lima – SDC has been promoting the development of the scientific basis of LC3 in the region, as well as production tests, promoting the adoption of LC3 standards and providing support for the implementation of this technology to expand the commitment worldwide.

We invite you to learn more about LC3, an innovative initiative, its advantages, opportunities and SDC’s commitment to its development and expansion within the cement industry.

You can read the online version on the weAdapt Platform in English, Arabic, Chinese, French and Spanish, or download the Brochure in its PDF Esp / PDF Eng versions. We wish you good reading.

Useful links:
Web Limestone Calcined Clay Cement
Web Proyecto Cemento Bajo en Carbono
FS Proyecto Cemento Bajo en Carbono (Span)



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