Wastewater treatment systems around the world are hamstrung by outdated tests that don’t identify a growing array of pathogens or identify the sources of pollutants.
The mesquite tree was introduced into South Africa to aid farmers and local communities. It is now invasive in most parts of the country.
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The invasive mesquite tree has a negative impact on everything from biodiversity to human health. Management programmes are crucial.
Residents near the Boundary Waters Canoe Area Wilderness in Minnesota and many others are concerned of the impact of mining in its headwaters.
atbaker/flickr
Almost 100 years ago, the foundations to preserve the Boundary Waters in Minnesota for recreation were put in place. Now residents are debating whether to allow a mine in its headwaters.
Sampling is a powerful scientific tool - when it’s used honestly.
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Some water researchers are ignoring the evidence offered by sampling if it doesn’t fit their preconceived notions. But science should always be honest and open.
A massive irrigation dam on the outskirts of Bourke.
Dean Lewins/AAP
The Productivity Commission report finds that the agricultural industry is overburdened by red tape but there’s still no clear solution for the best type of regulation.
Clean water can help to break the link between poor hygiene and eye diseases such as trachoma.
Central Australian Aboriginal Media Association (CAAMA)
As Australia joins a New York summit to discuss the UN Sustainable Development Goals, it still faces questions over whether it is meeting water standards at home.
Coping with floods is just one of the issues dams need to deal with.
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Lucy Rodina, University of British Columbia and Leila Harris, University of British Columbia
Many African cities are sites of rapid urbanisation. To ensure that such societies are water resilient, it is necessary to address formal and informal forms of development.
South Africa will deal with future water constraints by importing basic foodstuffs from its neighbours.
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Urbanisation will require massive amounts of water to sustain the livelihoods of millions expected to move into cities. This may happen at farmers’ expense.
In Africa, more than 315,000 children die every year from diarrhoeal diseases caused by unsafe water and poor sanitation.
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There have been modest improvements in water and sanitation provision in Africa, but there is still a long way to go. Most citizens rate their governments’ performance in this sphere poorly.
Can we predict where in the world will be water-stressed? Using a more fine-tuned model, researchers find there is no global water crisis, just local ones.
For the Barkindji people, the Darling River has been a symbol of Aboriginal survival since colonial times. Now, the once busy NSW town of Wilcannia is in danger of losing its water.
Patients and companions at the Cholera Treatment Center in Haiti, April 2015.
Andres Martinez Casares
Professor of Civil, Environmental & Ecological Engineering, Director of the Healthy Plumbing Consortium and Center for Plumbing Safety, Purdue University
Professor in Practice on Environmental Innovation, School of Social and Environmental Sustainability, University of Glasgow, UK, National University of Singapore
Associate Professor of Environmental Economics and Policy, School of Environment, Science and Engineering, and Fellow of the Marine Ecology Research Centre, Southern Cross University