A case studies which outlines how a community in Sri Lanka has installed biogas systems to give them access to electricity.Availabel in both powerpoint and pdf format with strong visual images the resource identifies the problem, the solution and how this has had an effect on people's lives.
this resource is much more than the biogas study. From the site -
'Suitable for key stages 2-5 Geography, Citizenship, Design and Technolgy and Science.
These six inspirational stories outline problems faced by local communities in developing countries and the solutions they worked on solving them with the support of Practical Action. Presented as Powerpoints and PDFs, the slides are colour coded in traffic light form:
Red - The problem
Orange - The solution
Green - The effect on people's lives' - and much more