A new study of dairying in Canterbury shows previous estimates vastly underestimate the impact of intensive farming. A 12-fold reduction in cow numbers could be needed to meet safe water standards.
Articles on Water
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La Niña is only part of the problem. The long-term driver of increasing drought – even in areas getting more rainfall overall – is the rapidly warming climate.
Climate change is affecting hydropower in different ways across the country.
The Colorado River provides water and electricity to 40 million people in the western US, but falling water levels threaten both of those resources.
Agreements negotiated a century ago to share water on Western rivers among states are showing their age in a time of water scarcity.
When Indigenous peoples lose their river flow to dams, satellite programs like Landsat – which is celebrating its 50th anniversary – can help them fight for their resources.
Many of Africa’s large aquatic animals, such as dolphins, manatees and turtles, are being killed for meat.
500 million people live in 19 African countries deemed “water insecure”.
South Africa’s dams are overflowing but the country is still facing water supply challenges.
Our planet’s invaluable natural store of freshwater is woefully neglected.
Groundwater has the potential to support broad economic, humanitarian and social development in sub-Saharan Africa, as it has in other regions globally.
Several states are experimenting with weather modification to try to generate snow as water supplies shrink. An atmospheric scientist explains the history behind it – and the challenges.
Across the solar system, asteroids and comets crash into moons and planets every day. The rocket collision will provide researchers with important data on how these collisions work.
Water is central to adapting to climate change, but very few of the strategies put in place to respond to water hazards or ensure its availability have been evaluated.
Covering the state’s canals with solar panels would reduce evaporation of precious water and help meet renewable energy goals – all while saving money.
Scientists have mapped the entire atmosphere of ultra-hot exoplanet WASP-121b.
Environmental footprint calculators may promise to help consumers lead a greener life. But they may in fact encourage choices that don’t benefit – or even harm – the environment.
A new study maps vegetation’s fire risk across the West and shows where population in the highest-risk areas from California to Texas is booming.
Groundwater is the second-largest store of water on Earth. Governments and industry use groundwater reservoirs to store waste, but it may also have environmental functions that haven’t been revealed.
Fetching water entails physical hardship that can often lead to mental agony and can sometimes even threaten a woman’s safety.
Top contributors
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Associate Professor in Environmental Science, Western Sydney University
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Visiting Adjunct Professor, School of Governance, University of the Witwatersrand
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Professor of Civil, Environmental and Ecological Engineering, Purdue University
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Regents Professor Emeritus and Morris K. Udall Professor of Law & Public Policy Emeritus, University of Arizona
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Senior lecturer, Nelson Mandela University
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Executive Co-Director, UNU Hub on Empowering Communities to Adapt to Environmental Change, United Nations University; University of Calgary
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Research Associate, Department of Economics, SOAS, University of London
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Matthew Flinders Professor in Water Economics, Flinders University
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Professor, School of Biological, Earth and Environmental Sciences, UNSW
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Distinguished Professor of Engineering, University of California, Merced
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Distinguished visiting professor, University of Glasgow
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Research Fellow, Monash Sustainability Institute, Monash University
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Associate Professor of Environmental Economics and Policy, School of Environment, Science and Engineering, and Fellow of the Marine Ecology Research Centre, Southern Cross University
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Professor, Fenner School of Environment & Society, Australian National University
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Senior Lecturer, Melbourne Law School, The University of Melbourne