Links in this category of editors choices cover some of these topics:
water, groundwater, hydrology, hydrochemistry, lakes, rivers, catchment basin, salinity, supply, surface, quality, wetlands, catchment management

• Australian Geological Survey Organisation (AGSO) [aus]
• National Landcare Program (NLP) [aus]
• Manaaki Whenua - Landcare Research [nz]
• Commonwealth Scientific and Industrial Research Organisation (CSIRO) [aus]
• National Environment Protection Council (NEPC) [aus]
• Australian Water Quality Centre (AWQC) [aus, sa]
• CSIRO Land and Water [aus]
• Native Fish Australia [aus]
• Streamwatch - community water quality monitoring and action program [aus]
• Amphibian Declines in Australia [aus]
  • missing and declining frogs, research, nature and causes of disappearance
• Australian Herpetological Directory [aus]
• Cooperative Research Centre for Freshwater Ecology (CRCFE) [aus]
• Institute for Sustainable Futures (ISF) [aus]
• Waterwatch Australia - communities caring for catchments [aus]
• Wetlands, Waterways, and Waterbirds [aus]
  • National Wetlands Program, Migratory Waterbirds, Ramsar Convention, Important Wetlands Directory
• Victorian Frog Group (VFG) [vic]
  • get involved in conservation, research and education projects concerning frogs, find pictures and sounds, frog calls
• Tasmania Parks and Wildlife Service - Frogs [tas]
• Brisbane Frog Society [qld]
• Frogs of Western Australia [wa]
• CSIRO Animal Health - Disappearing Frogs [aus]
  • amphibian decline, indicator of environmental collapse, new fungus may be partly responsible
• Land Channel [vic]
  • the window to all distributed government land-related information and services in Victoria
• NSW Department of Land and Water Conservation [nsw]
  • water reform, community programs, catchment management, improve health of rivers and groundwater
• Land and Water Resources Research and Development Corporation (LWRRDC) [aus]
• Greening Australia [aus]
  • bushcare, vegetation management, vegetation helps repair degraded land and water, coordination, community-based organisations
• New Zealand Water and Wastes Association (NZWWA) [nz]
• Waste Management Association of Australia (WMAA) [aus]
• Cooperative Research Centre for Catchment Hydrology [aus]
• CRC for Soil and Land Management [aus]
• NSW Environment Protection Authority (EPA) [nsw]
• National Institute of Water and Atmospheric Research (NIWA) [nz]
• Department of Lands, Planning and Environment (DLPE) [nt]
• Natural Heritage Trust (NHT) [aus]
  • environmental rescue effort, coordinated approach, partnership of individuals and communities and governments, funding for environmental activities
• National Land and Water Resources Audit (NLWRA) [aus]
  • comprehensive national appraisal of Australia's natural resource base, framework for natural resource management decision making
• Rivers Info Australia [aus]
  • Australia Wide Catchment Management Directory, daily river heights and rainfall across Australia, Australian rivers, community groups
• Michael Mobbs' Sustainable House [aus]
  • grey water recycling, surplus solar energy fed back to grid, no waste water, Sydney's sustainable house at Chippendale
• Nature Conservation Council of NSW (NCC) [nsw]
  • peak umbrella organisation for community, conservation and environment groups, excellent search facility, links wide range environmental groups
• Amphibian Research Centre (ARC) [aus]
  • research and conservation, encourage pet frogs and responsible attitudes, frog supplies, education materials

Region codes [aus, nz, ant, ...] indicate the state or country that each site is relevant to.