The pump design offered in this manual has evolved from the Bangladesh original into a fully portable pump with both lift and pressure capacity; and is especially appropriate to situations where soils are permeable, and water cannot easily be distributed through channels.

What if I could harness this energy? An unusual question for anyone putting in a long stint on a treadmill perhaps, and yet human power is a very old, practical and empowering alternative to fossil fuels. Replacing motors with muscles can be considered a political act -- an act of self-sufficiency that gains you independence. The Human-Powered Home is a one-of-a-kind compendium of human-powered devices gathered from a unique collection of experts. Enthusiasts point to the advantages of human power: Portable and available on-demand Close connection to the process or product offers more control Improved health and fitness The satisfaction of being able to make do with what is available This book discusses the science and history of human power and examines the common elements of human-powered devices. It offers plans for making specific devices, grouped by area of use, and features dozens of individuals who share technical details and photos of their inventions. For those who want to apply their own ingenuity, or for those who have never heard of human-powered machines, this book is a fine reference. For those who are beginning to understand the importance of a life of reduced dependency on fossil fuels, this book could be a catalyst for change.

A unique publication exploring the opportunities for addressing ten of the most serious challenges facing the world today: Climate Change, Communicable Diseases, Conflicts, Education, Financial Instability, Corruption, Migration, Malnutrition and Hunger, Trade Barriers, Access to Water. In a world fraught with problems and challenges, we need to gauge how to achieve the greatest good with our money. Global Crises, Global Solutions provides a rich set of arguments and data for prioritising our response most effectively. Each problem is introduced by a world-renowned expert defining the scale of the problem and describing the costs and benefits of a range of policy options to improve the situation. Each challenge is evaluated by economists from North America, Europe and China who attempt a ranking of the most promising options. Whether you agree or disagree with the analysis or conclusions, Global Crises, Global Solutions provides a serious, yet accessible, springboard for debate and discussion.

This volume provides a theoretical basis for the argument that available research that analyzes the impacts of climate on hydrology, water resources, and water systems, without factoring in the effect of climate variability, are inadequate and often misleading. Also, the book empirically shows that the impacts of climate variability on hydrology and water resources, and irrigation, water supply & sanitation systems are far more pronounced than the likely impacts of future change in climate. The book discusses technological, institutional and policy alternatives for reducing these impacts on various competitive use sectors, especially, irrigation, and water supply and sanitation through case studies of river basins in different hydrological setting. To set the context, the volume first presents the long term trends in precipitation and temperature in different regions of India, and compares them against inter-annual, inter-seasonal and intra-day variations in climatic parameters, to show how their differential impacts on water resources.

This report is a view of irrigation technologies for smallholders in the context of improving rural livelihoods, especially in regard to the prospects for sub-Saharan Africa. The role of traditional technologies is evaluated and modern water distribution technologies, such as sprinkler and trickle irrigation, are reviewed. A broad classification has been made based on climate and the traditional agricultural background of the local people, which links technology options to specific places--to agricultural regions and to countries.

Irrigation is increasingly promoted in Africa south of the Sahara, but the benefit streams of small-scale irrigation in Mali remain largely unknown. This study collected detailed quantitative data of irrigators and non-irrigators in two regions of Mali: Mopti, which is in the Sahelian zone, and Sikasso, the southernmost region of the country, which receives more rainfall. Econometric results show that the irrigation suitability, female household headship, proximity to markets and market participation increase the propensity to irrigate. The results suggest that small-scale irrigation investments have the potential to benefit women farmers directly. We used Two-Stage Weighted treatment effects multivariate regression to identify the impact of irrigation on selected outcomes. The impact assessment results show that crop income and diversification, market participation, employment, and dietary quality were substantially higher in irrigated farms compared to non-irrigated farms. Likewise, irrigating households had higher food security and higher dietary diversity. The results show that irrigation is a key entry point for combatting climate variability and change. However, the low adoption levels of improved water-lifting technologies are a major challenge. Limited promotion of solar and motorized pumps has contributed to the low adoption of these improved water-lifting technologies. A less profitable option, lifting water with a rope-and-bucket system, remains the most common water-lifting technology in the study areas. We find that investing in effective advisory services that target agricultural water management could increase uptake of more profitable irrigation technologies.