Earth Observation Market Development programme: http://www.eomd.esa.int

Glasnowmap project: http://www.cgspace.it/glasnowmap/

GLIMS (Global Land Ice Measurements from Space) project: http://www.glims.org/

EnviSnow Research project: http://www.itek.norut.no/projects/EnviSnow/

ESA River and Lake project: http://earth.esa.int/riverandlake/ 

CRYSYS Program: http://www.msc-smc.ec.gc.ca/crysys/overview/crysys_whatis_e.cfm

European Small Hydropower Association: http://www.esha.be/

Data User Element (DUE) European Space Agency: http://dup.esrin.esa.it/about_due.asp

National Hydropower Association.  http://www.hydro.org/