Google boils down water data for new UN environment site

Google and UNEP will produce geospatial maps and data for a publicly available platform

A logo is pictured at Google's European Engineering Center in Zurich. PHOTO: REUTERS

MEXICO: Vast quantities of raw satellite imagery and data will be distilled
into an online platform showing how water ecosystems have
changed, and how countries can manage them to prevent further
loss, said Google and the United Nations.

Focusing initially on fresh water ecosystems such as rivers and forests, Google will produce geospatial maps and data for a publicly available platform to be launched in October in partnership with the UN Environment Program (UNEP).

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"It's basically a time can go back in time, and what is does is show you where water has disappeared," said Elisabeth Mullin Bernhardt, a programme manager at UNEP, on Monday. "It can show you where water never was and now is there. It can show you where water is seasonal."

For Africa's Lake Chad, for example, access to comprehensive data and images showing surrounding land and rivers could help explain why the lake, on which so many depend, is drying up so quickly, said Kenya-based Bernhardt.

Given that most countries share water sources, the information could also be used to encourage neighbouring nations to work together on strategies to manage rivers or lakes, she said. Google is using artificial intelligence and cloud computing to process a massive amount of satellite imagery and data, stretching back over three decades, before it can be analysed, said Rebecca Moore, director of Google Earth and Earth Engine.

"Much of the world does not have access to good data about the state of their forests, their rivers and lakes and coastal eco-systems and how they've been changing over time," Moore told the Thomson Reuters Foundation by telephone. "It's a critically important time because there are dramatic changes going on, due to climate change and urbanisation and a number of factors that are in some cases significantly depleting fresh water supply."

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Improved information could lead to better investment in environmental services as countries try to meet their Sustainable Development Goals, said UNEP.

Agreed at the UN in 2015, the 17 global goals include targets to end poverty and hunger, combat climate change, and provide universal access to water and sanitation by 2030.

Governments are currently reviewing progress on the goals at UN headquarters in New York, where UNEP and Google announced
the satellite initiative.

While researchers will focus on water ecosystems, the platform could be expanded to include issues such as desertification or plastics in the world's oceans, said Bernhardt.


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