Learn what the updated version of the Aqueduct Water Risk Atlas means for your business. Hear from WRI Aqueduct experts on how to incorporate Aqueduct 3.0 data into your water stewardship strategy and what the updated models show.

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About This Webinar

In 2019, WRI released an updated version of the Aqueduct Water Risk Atlas with new indicators in the Water Risk Framework as well as an updated hydrological model underpinning these indicators. While Aqueduct 2.1 relied on sub-basins as defined by the Global Drainage Basin Database, Aqueduct 3.0 uses HydroBASINS level 6 sub-basins. The updated Aqueduct Water Risk Atlas calculates water supply and demand together, while the underlying model has a higher spatial resolution and a more recent and higher temporal resolution.

Water risk assessments using the old version of the tool may need to be reassessed or reanalyzed to ensure results are current. One of the key improvements is the inclusion of groundwater resources when estimating available water supplies — critical for agricultural production, ecosystems, drinking water and industry.


  • Colin Strong, Research Associate, Corporate Water Stewardship, Water Program, WRI
  • Sam Kuzma, Associate, Water Program, WRI
  • Caroline Black, Program Coordinator, Water Program, WRI