2. Historical and geographical backdrop to the Sana'a Basin

3. The 1962 revolution as creating a schism between the worlds of 'old and new'.

4.1: Case study 1: capitalism, irrigation, agriculture and qat.

4.2: Case study 2: Hybrid urban lifestyles of the 'old and new'.

4.3: Case study 3: Shifting approaches to conservation of the Wadi al Sailah.

4.4: Case study 4: The atomistic modern development and its contributions to water mismanagement.

4.5: Case study 5: Informal developments on the Wadi al Sailah.