(a) With the aid of a suitable diagram, critically discuss the essence of the triple bottom line approach in relation to sustainable development and sustainability.

(b) List four main greenhouse gases (GHGs) and their sources. Critically discuss how the effect of these greenhouse gases can be minimised so that the global temperature rise at the end of century can be maintain at 1.5 oC, as committed to by the 26th UN Climate Change Conference of the Parties (COP26).

(c) Critically evaluate the principal characteristics of linear economy (LE) against the circular economy (CE) model.

(d) Industrialisation has potential to achieve social and economic benefits. At the same time, industrial processes can contribute negative environmental impact. Explain the importance of environmental impact evaluation (EIE) of manufacturing process towards the industrial processes sustainability and list five key functions of EIE.