These are notes from the "Module 1: Framing Sustainability" of APU's Online Course - Sustainability in the Indian Context
When talking of sustainability and whether something is sustainable or not, we have to consider three aspects (the 3Fs):
The 3Fs is an effective tool in framing sustainability related problems - making sure different aspects are considered.
More ideas were introduced in the session which I found interesting as well:
Next module: Population and its effects on Sustainability