By dipping plain cotton cloth in a high-tech broth full of silver nanowires and carbon nanotubes, Stanford researchers have developed a new high-speed, low-cost filter that could easily be implemented to purify water in the developing world. Instead of physically trapping bacteria as most existing filters do, the new filter lets them flow...
Read more »

ESA’s TIGER II initiative has selected 20 project proposals across Africa to receive support from Earth-observation technology to learn more about the water cycle and to improve water-monitoring resources. TIGER II is based on the results and achievements of its precursor TIGER I, which sought to help African countries overcome water problems and...
Read more »

Like most sub-Saharan African countries, Niger faces problems meeting its water needs. As part of ESA’s TIGER initiative, satellite data are being used to identify underground water resources in the drought-prone country. Due to the rainfall variability in time and in space, during recent years the rain-fed agriculture struggles to meet the requirements...
Read more »