1. European Parliament Newshttps://www.europarl.europa.eu/news/en/headlines/society/20180301STO98928/greenhouse-gas-emissions-bycountry-and-sector-infographic
2. 2018 Global Status Report: Towards a Zero-Emission, Efficient and Resilient Buildings and Construction Sector,2018
3. Sustainable Development Goalshttps://www.un.org/sustainabledevelopment/
4. Department of Economic and Social Affairshttps://sdgs.un.org/goals/goal11
5. European Parliament Newshttps://www.europarl.europa.eu/news/en/headlines/society/20200618STO81513/green-deal-key-to-a-climate-neutral-and-sustainable-eu