https://www.gov.uk/government/news/david-davis-speech-to-the-suddeutsche-zeitung-economic-summit
https://committees.parliament.uk/oralevidence/2766/pdf/
https://ukandeu.ac.uk/brexits-implications-for-environmental-policy/
https://ukandeu.ac.uk/boris-johnsons-brexit-deal-whats-in-it-and-how-is-it-different-to-theresa-mays-version/