This POSTnote reviews the challenges faced and the lessons learned from interventions aimed at improving access to clean water to date, examining issues such as the role of new technologies and the sustainability of new initiatives.
This POSTnote examines the sources of uncertainties in current population projections and explores methods of forecasting which take them into account.
Chandrika Nath worked at the British Antarctic Survey before joining POST, and has a PhD in high energy physics from Oxford University. She has a particular interest in international development and heads up POST's Africa programme.
POST is running a programme to help African parliaments strengthen their capacity in science and technology. The programme started in 2008 and will run until mid 2012.