1. Commission of the European Communities (2002), Communication from the Commission to the Council, the European Parliament, the Economic and Social Committee and the Committee of the Regions, Towards a Thematic Strategy for Soil Protection, COM (2002) 179 final.
2. Commission of the European Communities (2006a), Communication from the Commission to the Council, the European Parliament, the European Economic and Social Committee and the Committee of the Regions, Thematic Strategy for Soil Protection, COM (2006) 231 final of 22.09.2006, p. 1 ff..
3. European Commission (2021c), Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of Regions, «Fit for 55»: Delivering the EU's 2030 Climate Target on the way to climate neutrality, COM (2021) 550 final of 14.07.2021, p. 1 ff.
4. European Commission (2020c), Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions, Chemicals strategy for sustainability ‘Towards a toxic-free environment’, COM (2020) 667 final of 14.10.2020, p. 1 ff.