Earth
Breathing Earth
Climate Institute
Earth Observatory


Water
Leibniz Institute of Marine Sciences
Open Source for Water and Sanitation
United Nations Water
Unesco Water Portal
International Office for Water
International Secretariat for Water
Stockholm International Water Institute
Water Aid
Water Footprint
Water Purification

Rivers
Top 30 Longest Rivers in the World
Hong Kong River Net
Rätselhafte Mega-Flüsse im Atlantik
European Rivers Network
River Systems of the World
Mouth to Source
Qualitätsdaten zum Jangtse

Danube
Danube Commission
Danube Day 2008
Danube Summit 2008

Institut für den Donauraum und Mitteleuropa
International Association for Danube Research
International Commission for the Protection of the Danube River
Aktion "Lebendige Donau"
GLOWA-Danube Project
The Danube – A River's Lure

Topics
Self-Filling Bottle of Water
Hidden Costs of Bottled Water
Groundwater Resources in Africa
Liter of Light Project
Sea Level Could Rise in South, Fall in North
Self-Propelled Liquid Droplets
The Economics of Ecosystems and Biodiversity
Rätselhafter Schadstoff belastet deutsche Flüsse
Bottled Water Pricey in More Ways than One
Top 10: World's Worst Polluted Places

Art Projects
José Diniz: Periscope
Edward Burtynsky: Water
Michael Marten: Sea Change
Michael Aschauer: Danube Panorama Project
Stephan Kaluza: Das Rheinprojekt
Nadav Kander: Yangtze, The Long River
Janelle Lynch: Hudson River, New York
Asako Narahashi: half awake and half asleep in the water
Philipp Scholz Rittermann: Grand Canal, PRC
Paul Stewart: The Mekong River
H2O Art Aachen – Wasserkunst Aachen
David Hall: Beneath Cold Seas