Integración de la sostenibilidad en los currículos universitarios de arquitectura e ingeniería

The incorporation of sustainability content in university programs for architecture and building engineering has followed an uneven trajectory globally. The report by the European Network of Heads of Schools of Architecture (ENHSA, 2022), which evaluated 142 degree programs across 28 European countries, revealed that only 35% include at least one mandatory course entirely dedicated to sustainable design, while 48% integrate sustainability content transversally within studio or construction courses, and 17% lack any identifiable specific content. In Spain, the Conference of Deans of Architecture Schools (CODEA, 2023) analyzed the 16 architecture degrees accredited by ANECA and found that the average course load dedicated to sustainability and energy efficiency amounts to 12 ECTS out of a total of 300 ECTS for the degree, equivalent to 4% of the curriculum. Only 4 of the 16 schools (UPC, UPV, University of Navarra, and University of Seville) exceed 18 mandatory ECTS in subjects directly linked to sustainability, while 5 schools fall below 8 ECTS.

The gap between the training offered and the competencies demanded by the market is quantifiable. According to a survey by the Royal Institute of British Architects (RIBA, 2023) of 2,400 practicing architects, 72% consider their university training in sustainability insufficient for current professional practice, and 58% have needed complementary postgraduate training or professional certifications (LEED AP, BREEAM Assessor, Passivhaus Designer) to tackle projects with environmental requirements. In the Spanish labor market, job portals recorded a 45% increase in 2023 in listings requiring competencies in energy certification, thermal simulation, or life cycle analysis compared to 2020 (InfoJobs, 2024). The Architects' Council of Europe (ACE, 2022) recommends that accredited programs dedicate a minimum of 10% of course load (30 ECTS) to sustainability competencies, including building physics, energy simulation, low-impact materials, life cycle analysis, and bioclimatic design.

Pedagogical research in sustainability education for architecture has identified that the most effective approaches combine transversal integration in design studios with specialized technical courses. A meta-analysis by Álvarez et al. (2021), published in the Journal of Cleaner Production and based on 87 teaching experiences from 34 universities, demonstrated that students who receive sustainability training integrated into the design studio achieve bioclimatic design performance 28% higher in standardized assessments compared to those who receive it exclusively as a separate theoretical course. Project-Based Learning applied to the energy retrofitting of existing buildings showed the best results: students who participated in real energy audits demonstrated knowledge retention 42% higher at 12 months compared to the control group with conventional teaching. Energy simulation as a pedagogical tool, using software such as EnergyPlus, DesignBuilder, or PHPP, is now used in 62% of the European schools evaluated, up from 31% in 2015.

Benchmark experiences include the Solar Decathlon methodology, a university competition created by the U.S. Department of Energy in 2002 that has trained more than 35,000 students from 250 universities across 45 countries. The Solar Decathlon Europe 2019 edition, held in Budapest, involved 1,200 students from 16 teams who designed and built habitable solar housing prototypes with consumption rates below 25 kWh/m²·year. The Universidad Politécnica de Madrid (UPM) has participated in 6 editions and documented that 85% of participants consider the experience the most formative component of their career. In Sweden, Chalmers University of Technology has integrated since 2018 a mandatory 15 ECTS module called "Building and Sustainability" where students carry out a complete LCA of a real building using One Click LCA, and final projects are published in an open database that already contains 480 life cycle analyses of Swedish buildings.

Civil and building engineering programs present a qualitatively different integration of sustainability compared to architecture programs, with greater emphasis on quantitative aspects of resource efficiency and less attention to bioclimatic design. The American Society of Civil Engineers (ASCE, 2022) surveyed 186 ABET-accredited civil engineering programs in the United States and found that 54% include at least one mandatory course on sustainable engineering, 73% offer elective courses, and 89% mention sustainability as a learning outcome in at least one core course. In Spain, the 24 Building Engineering degrees present an average load of 9 ECTS in sustainability subjects, focused on renewable energy systems, construction and demolition waste management, and energy certification. The Environmental Impact Assessment course appears as mandatory in only 8 of the 24 programs, and LCA of construction materials is taught as specific content in 5 universities.

The training deficit is particularly acute in embodied carbon and circular economy. A study by Shiel et al. (2021), published in the International Journal of Sustainability in Higher Education, assessed the knowledge of 620 final-year civil engineering students across 12 universities in the United Kingdom, Ireland, and Spain, and found that only 18% were able to correctly define the concept of embodied carbon and only 7% had completed any practical exercise in calculating the carbon footprint of materials. In contrast, ETH Zürich implemented in 2020 a mandatory 6 ECTS module on circular design and material decarbonization in its Structural Engineering master's program, where students use the KBOB database of environmental impact of Swiss construction materials (more than 1,200 records) to optimize structural design while simultaneously minimizing mass, cost, and embodied carbon. Results show that students trained with this methodology propose structural designs with 15-25% less embodied carbon than those from the control group without specific training.

Institutional recommendations converge on the need for a deep curricular reform. The International Union of Architects (UIA, 2023) published the updated "UIA-UNESCO Charter for Architectural Education," which establishes sustainability as one of 11 essential competencies and recommends a minimum of 20 ECTS of specific content plus transversal integration in 50% of design studio courses. The European Association for Architectural Education (EAAE, 2023) proposes a 5-level sustainability competency framework (knowledge, comprehension, application, analysis, and integration) with assessable indicators for each level. In the professional sphere, the mandatory nature of Environmental Product Declarations (EPD), the regulation of embodied carbon anticipated in the Spanish CTE update for 2026, and the European green taxonomy require technical competencies that are currently not taught systematically in the majority of Spanish university programs.

Emerging trends include interdisciplinary training, digital fabrication laboratories, and regulated continuing education. Interdisciplinarity is key: the joint program at TU Delft between the faculties of Architecture and Civil Engineering ("Building Technology," 30 ECTS) trains students from both disciplines in integrated teams that design buildings simultaneously optimizing form, structure, and environmental performance, and has documented a 35% improvement in the quality of construction solutions evaluated by mixed juries compared to independent disciplinary studios. University fab labs enable students to fabricate and test sustainable building component prototypes: the global Fab Lab Network comprises 2,500 laboratories in 126 countries, of which 78 are at Spanish universities. Continuing education gains relevance given the speed of regulatory change: GBCe (Green Building Council España) certified 1,800 professionals as VERDE assessors between 2020 and 2024, and the Instituto Passivhaus España trained 3,200 designers and 1,100 tradespersons in the same period, indicating a demand for training that the formal university system is not meeting with sufficient agility.