“…The desired outcome of EfS is deep learning on sustainability which “challenges students to ask philosophically deep questions to penetrate the core of their most fundamental beliefs, to play with these ideas, and to make new space for learning about sustainability. In turn, this deep questioning process has educational implications for increasing sustainable knowledge, attitudes, and behaviors” (Michel 2019). Examples of instances that are considered to be classified as EfS, along with illustrations of these examples, can be seen in Table 1.1.…”