Ball, David J. and Ball-King, Laurence (2021) Health, the outdoors and safety. Sustainability , 13 (8). pp. 1-11. ISSN 2071-1050
Ball, David J. (2020) Risky play in a risk averse world. In: OECD 21st Century Children, 17-18 Feb 2020, Utrecht, the Netherlands. (Published online first)
Ball, David J. and Humpherson, Ed and Johnson, Branden and McDowell, Michelle and Ng, Reuben and Radaelli, Claudio and Renn, Ortwin and Seedhouse, David and Spiegelhalter, David and Uhl, Alfred and Watt, John (2020) Improving society's management of risks - a statement of principles. Project Report. Atomium, EISMD, Brussels, Belgium.
Ball, David J. (2019) The importance of play and what we need to do. In: Japan Park Facilities Association (JPFA) 30th Anniversary Conference, 08 Oct 2019, Tokyo.
Ball, David J. (2019) Risk Assessment - breaking new ground. In: Play and managing risk seminar, 17 Jul 2019, Conwy Business Centre, Llandudno Junction. (Published online first)