23-09-2021 The Development of Christian Ecotheology and the Significance of Pope Francis’ Laudato Si’
15-05-2021 Social Justice, Sustainable Development, and the Contribution of Hong Kong (Part 2 of the Online Talk on 27 Feb 2021)
20-03-2021 Lecture on the Significance of Unity in Pluralistic Education of the Jesuit Today (Cantonese)