Attard T & Attard E (2025), ‘Canary Broom (Cytisus canariensis (L.) Kuntze Fabaceae)’ in N Chaachouay, A Azeroual & L Zidane (eds.), Comprehensive guide to hallucinogenic plants. Taylor & Francis Group, London.

Conrad E & Cassar L F (2025), ‘The environment: an ethical concern’ in: R Zammit & S M Attard (eds.), Mapping a moral consensus: calibrating an ethical compass for the future - Festschrift in honour of Mgr Professor Emmanuel Agius on the occasion of his seventieth birthday, vol. II, 485-498. Kite Group, Malta.

Attard, T & Attard, E 2020, 'The Immunomodulatory Activity of Some Maltese Medicinal Plants: Tradition, Science and Future Prospects', in M V N L Chaitanya (ed.), Trends in Pharmaceutical Research and Development Vol. 1, B P International, pp.66.

Galdies, C & Lau, HS 2019, 'Urban heat island effect, extreme temperatures and climate change: a case study of Hong Kong SAR', in W Leal Filho, G Nagy, M Borga, D Chávez Muñoz & A Magnuszewsk (eds.), Climate Change, Hazards and Adaptation Options: handling the impacts of a changing climate, Springer, Cham, pp.369-388.

Galdies, C & Vella, K 2019, 'Future climate change impacts on Malta’s agriculture, based on multi-model results from WCRP’s CMIP5', in P Castro, A M Azul, W Leal Filho & U M Azeiteiro (eds.), Climate change-resilient agriculture and agroforestry, Springer, Cham, pp.137-156.

Attard, C, Galdies, C & Conrad, E 2018, 'Can 3D visualizations really convince small island coastal communities about the true risks of sea level rise?', in F Alves, W Leal Filho & U Azeiteiro (eds.), Theory and practice of climate adaptation, Climate change management, Springer, Cham, pp.311-331.

Cassar, L F 2018, 'Landscape and ecology: the need for a holistic approach to the conservation of habitats and biota', in P Howard, I Thompson, E Waterton & M Atha (eds.), The Routledge Companion to Landscape Studies, 2nd edn, CRC Press.

Conrad, E & Cassar, L F 2018, 'The Environmental Performance Index: does this reflect reality?', in S Bell & S Morse (eds.), Routledge Handbook of Sustainability Indicators, Routledge, London, pp. 288-302.

 Agius, A, Galdies, C, Bonnici, A J & Azzopardi, J 2017, 'Improving weather forecasts by updating the surface boundary conditions of a numerical weather prediction model for the Maltese Islands', in S Formosa (ed.), Emergent realities for social wellbeing: environmental, spatial and social pathways, Department of Criminology, University of Malta, Msida.

 Attard, E & Bugeja Douglas, A 2017, 'Physicochemical characterization of Maltese honey', in V De Alencar Arnaut De Toledo (ed.), Honey Analysis, IntechOpen, London, pp. 172-191.

Galdies, C. 2017, 'A rapidly changing climate in an era of increasing global carbon emissions', in A Jones & M Phillips (eds.), Global climate change and coastal tourism: recognizing problems, managing solutions and future expectations, CABI Publishing, Wallingford, pp. 10-22.

Galdies, C & Mallia, N 2017, 'Losses, damages and return period of extreme weather events in the Maltese islands', in S Formosa (ed.), Emergent realities for social wellbeing: environmental, spatial and social pathways, Department of Criminology, University of Malta, Msida.

López, M, Bintsis, T, Alichanidis, E, Herian, K, Jelen, P R, Hynes, E, Perotti, M, Bergamini, Carina, V, Attard, E, Grupetta, A, Carpino, S, Tavares, T & Xavier Malcata, F 2017, 'Soft Cheeses (with Rennet)', in P Papademas & T Bintsis (eds.), Global Cheesemaking Technology: Cheese Quality and Characteristics, Wiley, pp. 301-325.

Attard, E, Attard, H, Tanti, A, Azzopardi, J, Sciberras, M, Pace, V, Buttigieg, N, Mangion Randon, A, Rossi, B, Parnis, M J, Vella, K, Zammit, M & Serracino-Inglott, A 2015, 'The phytochemical constitution of Maltese medicinal plants: propagation, isolation and pharmacological testing', in A Venket Rao & L G Rao (eds.), Phytochemicals - isolation, characterisation and role in human health, IntechOpen, pp. 3-44.

Galdies, C, Betts, J C, Vassallo, A & Micallef, A 2014, 'High resolution agriculture land cover using aerial digital photography and GIS: a case study for small island states', in S Formosa (ed.), Future preparedness: thematic and spatial issues for the environment and sustainability, Department of Criminology, University of Malta, Msida, pp. 127-152.

Attard, E & Pacioni, P 2011, 'The phytochemical and in vitro pharmacological testing of Maltese medicinal plants', in I Rasooli (ed.), Bioactive Compounds in Phytomedicine, IntechOpen, pp. 93-112.

Galdies, C 2008, 'Ship-generated oil discharges and exhaust emissions in the Mediterranean basin: their distribution and impact' in  A Abdulla & O Linden (eds.), Maritime traffic effects on biodiversity in the Mediterranean Sea: Review of impacts, priority areas and mitigation measures, IUCN, Malaga, pp. 58-84.

Cassar, L F & Conrad, E 2007, 'Setting sustainability indicators in a Mediterranean island context', in L F Cassar, E Conrad & S Morse (eds.), Measuring Sustainability: Theory and experience from the Mediterranean, International Centre for Science and High Technology, United Nations Industrial Development Organisation (ICS-UNIDO), Trieste, pp. 37-46.

Attard, E 2006, 'Ecballium elaterium (L.) A. Rich.: in vitro regeneration, and the production of cucurbitacins in culture', in J N Govil, V K Singh & C Aarunachalam (eds.) Recent progress in medicinal plants: search for new drugs, Studium Press LCC, New Delhi, pp. 49-72.