This site explains what a problem tree is, when and how to use this method and contains some good examples.
Library

This report describes conversation agriculture techniques with their effects and potentials in Uzbekistan.
NURBEKOV, A. (2008): Manual on Conservation Agriculture Practices in Uzbekistan. Rom: Food and Agriculture Organization of the United Nations (FAO) URL [Accessed: 09.08.2010]
The summary of this doctoral thesis by Ioannis Dimitriou analyses the performance and sustainability of short rotation plantations treated with municipal and industrial wastes and contains the results of several scientific papers.
DIMITRIOU, I. (2005): Performance and Sustainability of Short-Rotation Energy Crops Treated with Municipal and Industrial Residues. (= Doctoral Thesis ). Uppsala: Swedish University of Agricultural Sciences URL [Accessed: 09.08.2010]This online collection of graphs illustrates water use and management in the different sectors, including agriculture. ONLY ONLINE
UNEP (2002): Vital Water Graphics. Water use and management. Nairobi: UNEP URL [Accessed: 09.08.2010]Definition of Kilowatt-electric
On this homepage you can find some examples of posters that are not as professional as the ones from the Wash-Campaign of the WSSCC. They can help get an idea of what posters can be like.

This document promotes irrigation in order to alleviate poverty and minimize environmental degradation in Ethiopia.
GIRMA, M. M. AWULACHEW, S. B. (2007): Irrigation Practices in Ethiopia: Characteristics of Selected Irrigation Schemes. Colombo: IWMI URL [Accessed: 09.08.2010]
This paper gives an overview of the water use on household level in Pennsylvania. Furthermore, the document contains some water saving advices.
PENNSYLVANIA STATE UNIVERSITY (2008): Household Water Conservation. Pennsylvania: Pennsylvania State University URL [Accessed: 09.08.2010]Wikipedia article on humanure.

This document explains how you can save water in textile industry. It contains good strategies how to conserve water in different process steps.
SHAIKH, M. A. (2009): Water conservation in textile industry. Karachi: SFDAC URL [Accessed: 09.08.2010]This factsheet contains good advices how to use water more efficiently on household level.
AMERICAN RED CROSS (n.y): Water Conservation. Fact Sheet. Washington DC: Red Cross. [Accessed: 09.08.2010]. PDF
This document is concerned about the water consumption on household level and gives some water conversation advices.
SDWF (n.y): WATER CONSUMPTION. What is water consumption?. Saskatoon: SDWF URL [Accessed: 09.08.2010]Wikipedia article on lactic acid fermentation.

This FAO document explains why agricultural water productivity is crucial for the global water challenge. Furthermore, it contains information on how to improve irrigation water management.
FAO (2003): Unlocking the water potential of agriculture. Rom: Food and Agriculture Organization of the United Nations (FAO) URL [Accessed: 09.08.2010]Wikipedia article about internal combustion

The Pipeline Newsletter was formerly edited by the National Small Flows Clearinghouse (NSFC) and is now edited by the National Environmental Service Center based at the West Virginia University (USA). Popular with small community officials, citizens, maintenance and inspection personnel, and community educators, each quarterly issue of Pipeline focuses on a single wastewater topic and presents it in an easy-to-read format. This issues deals with on-site treating of commercialy generated wastewater, as well as treating non-residential wastewater to an acceptable level.
NSFC (2003): High Strength Flows - Not your Average Wastewater. (= Pipeline , 3 / 14 ). Morgantown: National Small Flows Clearinghouse URL [Accessed: 09.08.2010]The World Business Council for Sustainable Development (WBCSD) is a CEO-led, global association of some 200 companies dealing exclusively with business and sustainable development. There is also a section on water.
Definition of field capacity

An eight-page factsheet on the reuse of wastewater and sludge in willow plantations, also presenting some case sties from Europe.
AGROBRAENSLE ; SWEDISH ENERGY AGENCY ; SWEDISH UNIVERSITY OF AGRICULTURAL SCIENCES ; SWECO VIAK (2000): Recycling of wastewater and sludge in Salix Plantations. Sustainable and profitable use of waste resources and farmland in Europe for production of biofuels. URL [Accessed: 09.08.2010]
These Guidelines have been prepared to support ongoing improvements in the quality of EC development assistance. Part 2 offers an excellent description of the logical framework approach and how to construct the logframe matrix.
EUROPEAN COMMISSION (2004): Aid Delivery Methods, Project Cycle Management Guidelines . Brussels: European Commission - EuropeAid Cooperation Office URL [Accessed: 07.08.2010]