Humans are depleting groundwater worldwide, but there are ways to replenish it

Rapid and accelerating groundwater level declines are widespread in dry climates where groundwater is used for irrigation. But some communities have found ways to turn things around.

Richard Taylor, Professor of Hydrogeology, UCL • conversation
Jan. 24, 2024 ~10 min

How to provide reliable water in a warming world – these cities are testing small-scale treatment systems and wastewater recycling

Water shortages are one of the greatest problems created by a warming world. A decentralized water system is a compelling counterargument to the notion that bigger is better.

Lu Liu, Assistant Professor of Civil, Construction and Environmental Engineering, Iowa State University • conversation
Dec. 15, 2023 ~10 min


El Niño may be drying out the southern hemisphere – here's how that affects the whole planet

New research finds fresh water losses are concentrated in South America, most of Africa and much of Australia.

Kevin Collins, Senior Lecturer, Environment & Systems, The Open University • conversation
Nov. 2, 2023 ~6 min

Collaborative water management can be a building block for peace between Israelis and Palestinians

As the war between Hamas and Israel grinds forward, two experts explain how Israelis and Palestinians have cooperated to tackle their region’s water challenges.

Richard Friend, Senior Lecturer in Human Geography, University of York • conversation
Oct. 30, 2023 ~11 min

The Rio Grande isn't just a border – it's a river in crisis

When the Rio Grande figures in US news reports, it’s usually in relation to stories about immigration, drug trafficking or trade. But the river is also an important water source – and it’s shrinking.

Drew Gronewold, Associate Professor of Environment and Sustainability, University of Michigan • conversation
Oct. 24, 2023 ~10 min

What Arizona and other drought-ridden states can learn from Israel's pioneering water strategy

Arizona is considering a multibillion-dollar desalination project to address its urgent water needs. Three water experts call for a go-slow approach and point to Israel as a role model.

Sharon B. Megdal, Professor of Environmental Science and Director, Water Resources Research Center, University of Arizona • conversation
Sept. 12, 2023 ~9 min

Colorado River states bought time with a 3-year water conservation deal – now they need to think bigger

Southwest states have bought time with an agreement between California, Arizona and Nevada to cut Colorado River water use by about 14%. Now comes the hard part.

Robert Glennon, Regents Professor Emeritus and Morris K. Udall Professor of Law & Public Policy Emeritus, University of Arizona • conversation
May 26, 2023 ~8 min

Desalination could give the Middle East water without damaging marine life -- but it must be managed carefully

Jordan is planning a major desalination plant on the Gulf of Aqaba – but will it damage nearby marine ecosystems?

Raya A. Al-Masri, Researcher in Resources Governance and Sustainability, University of Surrey • conversation
Jan. 18, 2023 ~7 min


What is a flash drought? An earth scientist explains

Flash droughts can develop within a few weeks, causing water shortages, damaging crops and worsening fire risks.

Antonia Hadjimichael, Assistant Professor of Geosciences, Penn State • conversation
Nov. 10, 2022 ~6 min

Desalinating seawater sounds easy, but there are cheaper and more sustainable ways to meet people's water needs

Nearly 97% of the world’s water is in the oceans, but desalination is no magic bullet for water-stressed coastal cities.

Gregory Pierce, Co-Director, Luskin Center for Innovation, University of California, Los Angeles • conversation
Sept. 22, 2022 ~8 min

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