1. Europe 2020 A Strategy for Smart, Sustainable and Inclusive Growthhttp://ec.europa.eu/eu2020/pdf/COMPLET%20EN%20BARROSO%20%20%20007%20-%20Europe%202020%20-%20EN%20version.pdf
2. Regulation EU No 1307/2013 Establishing Rules for Direct Payments to Farmers under Support Schemes within the Framework of the Common Agricultural Policy and Repealing Council Regulation (EC) No 637/2008 and Council Regulation (EC) No 73/2009http://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32013R1307
3. Greenhouse Gas Emissions from the Dairy Sector: A Life Cycle Assessment,2010
4. Environmental—Ecological Impact of the Dairy Sector (Literature Review on Dairy Products for an Inventory of Key Issues—List of Environmental Initiatives and Influences on the Dairy Sector);Hambly,2011
5. Benchmarking of greenhouse gas emissions of bovine milk production systems for 38 countries