SG environment based notes (GP, A-Levels)

This is a set of notes that specifically targets the topic of environment in SG's context. Please take note that this is a set of notes that you should update according to your improving and evolving understanding of the topic of envrionment. This is non-exhaustive, and will only be useful if you link it properly to the relevant questions to the A-Levels GP exams, such as the 2022 consumerism question, or the 2015 economy and environment's demands being balanced question.