1. Intergovernmental panel of Climatic Change, IPCC, Climatic Change 2021 (2021)
2. United Nation, Paris Agreement 2015 (2015)
3. RNC 2050, Roadmap for carbon neutrality 2050, Long-term strategy for carbon neutrality of the Portuguese economy by 2050 (2019)
4. PNEC 2030, Plano Nacional de Energia e Clima, Resolução do Conselho de Ministros n.º 53/2020, 10 julho 2020 (2020)
5. Nemry, F., et al.: Options to reduce the environmental impacts of residential buildings. In: The European Union-Potential and Costs, Energy and Buildings 42(7), 976–984 (2010)