The 3 pillars; The word pillar suggests seperate entities when infact there is a dynamic between all three elements

The triple bottom line is often mentioned in the context of sustainability. What exactly is it?
As well as minimising environmental impact, sustainable design also involves optimising performance and well-being. It can also aid business competitiveness which has led some to the notion of a ‘triple bottom line'. The triple bottom line seeks to expand the conventional economic or financial focus of the ‘bottom line’ to include social and environmental calculations. This reflect the three key pillars of sustainability which are:
Social - people
Environmental - planet
Economic - profit
The word 'pillar' suggests separate, static entities when in fact there is a dynamic between all three elements. It might be easier to think of them as three balls in a juggling act - the trick is to keep them working together in a simple, smooth process. At the moment, it has to be said, we often don't juggle too well. But we're making progress.