1. Climate change caused by human activities is happening and it already has major consequences;Trenberth;J. Energy Nat. Resour. Law,2018
2. Pratap, C.M., Singh, C.G., and Kumar, K.Y. (2015). National Seminar on Recent Advancements in Protection of Environment and Its Management Issues, Maharishi Arvind College of Engineering and Technology.
3. European Commission (2021, November 12). Eur-Lex. Available online: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=COM%3A2019%3A640%3AFIN.
4. Ritchie, H., and Roser, M. (2021, November 10). CO2 and Greenhouse Gas Emissions. Available online: https://ourworldindata.org/emissions-by-sector.
5. European Environment Agency (2020). Air Quality in Europe—2020 Report, Publications Office of the European Union.