easter was an interesting time in a camping ground with very clear statements around environmental responsibility- "to ensure you enjoy being here until your old age and your grandchildren can also".
The neatest resource is to be found (as it often is) in material designed for further down the education chain.
"It can be helpful to think of sustainability in terms of maintaining the capital we need for our continued existance. There are four types od such capital:natural,human,social and built (includes both manufactured and financial). All four types are necessary if societies are to function".
definitions, teaching packs, assessment resources. a veritable feast and all for free!!!!!