Sustainable cities can only be created on new, greenfield sites where they are not restricted by existing historical, geographical and social urban structures. Discuss this statement using relevant examples to illustrate your argument. Water is a renewable resource but water wars, be they military, political or economic, will inevitably be a characteristic of the 21st century. Critically discuss this assertion. Using case studies or examples, defend your own definition of Sustainable Development.
Environmental issues are often global and interrelated in nature.
Analyse this statement, drawing on evidence from key international environmental initiatives.