Acknowledgements
Grateful acknowledgement is made to the following sources:
Photographs and images
Oil distillation column: Oxford Science Programme Book1, published by Oxford University Press, p. 92 (1990)
Oil rig: http://www.offshore-technology.com/projects/ekpe/images/ekpe5.jpg [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] (Accessed 2008)
Map of the Niger Delta: http://www.usip.org/ events/ 2005/ 1107_niger.html (Accessed 2008)
Text
Nigeria’s oil industry: Adapted from http://en.wikipedia.org/wiki/Nigeria_oil#Geology_and_reserves (Accessed 2008)
Ecological footprint: http://www.footprintnetwork.org (Accessed 2008)
Every effort has been made to contact copyright holders. If any have been inadvertently overlooked the publishers will be pleased to make the necessary arrangements at the first opportunity.
Resource 5: Lesson plan: Finding the best waste material ball