In an increasingly urban world, trees can make a major difference. One study found that, for every dollar invested in planting, megacities saw a $2.50 return on their investment.
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Articles on Wastewater
Displaying 61 - 80 of 92 articles
World Water Day shines a light on the importance of safe, clean drinking water, but a new report finds Canada’s freshwater systems are under stress.
Perth, unlike Cape Town, faces no prospect of its tapwater running out. But other problems lurk beneath the surface, as the city’s drying climate puts increasing pressure on irrigation and wetlands.
Cities all over the world are facing growing challenges to provide clean, reliable water. And many of the fixes, such as desalination plants, have a huge carbon footprint.
The experiences of other countries can provide valuable lessons for Cape Town on how to better cope with its water crisis.
Once unleashed, glitter gets everywhere – not just in your house, but into the environment. Time to call a halt to the glitter explosion.
With frigid temperatures and snow in the forecast, slippery roads can’t be far behind. Salt keeps roads safe, but it’s harmful to aquatic environments.
The UK water infrastructure needs rethinking with the increasing population demands and the contaminants found in our water.
There is no longer any good reason to waste any type of water. We have the technology to turn waste water into a vital resource.
Worldwide, farmers are already using untreated waste water to irrigate their crops. Here’s how to mitigate the danger.
Developed and developing countries alike struggle with water quality problems. For World Water Day, a look at the challenges – and some potential solutions – to better treating wastewater.
The invention of the flush toilet was probably one of the most unsustainable innovations in human history.
There’s one important piece of the puzzle we’re missing when it comes to antimicrobial resistance.
Expecting the rest of the world to adopt expensive, centralized sewage treatments systems common in the U.S. is not realistic.
Wastewater treatment systems around the world are hamstrung by outdated tests that don’t identify a growing array of pathogens or identify the sources of pollutants.
Edo, which gave rise to Tokyo, was also the world’s largest city three centuries ago. Facing ecological collapse, Edo developed a culture and practices that supported sustainable living.
There’s a debate over whether fracking should be introduced into Florida, a state with a unique geology and hydrology that introduces a long list of environmental concerns.
Long-term drought and water shortages in many parts of the U.S. are spurring interest in ways to reuse graywater – the water that drains from sources such as showers, bathtubs and washing machines.
Australians eat a lot of water. Nearly 500 L is required to produce the food each of us eats every day.
The simple act of shampooing and conditioning our hair, even with green products, results in more than 30 chemicals being washed into our sewers.
Top contributors
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Assistant Professor and Canada Research Chair, Integrated Knowledge, Engineering and Sustainable Communities, University of Calgary
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Academic Officer, Water Resource Management Unit lead, Institute for Integrated Management of Material Fluxes and of Resource (UNU-FLORES), United Nations University
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Associate Programme Officer, Institute for Integrated Management of Material Fluxes and of Resources (UNU-FLORES), United Nations University
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Assistant Professor, Department of Biology & School of Environmental Studies, Queen's University, Ontario
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Professor of Civil & Environmental Engineering, UNSW Sydney
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Senior Lecturer in Environmental & Geographical Science, University of Cape Town
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Adjunct Professor, Global, Urban and Social Studies, RMIT University
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Researcher in sustainable food systems, The University of Melbourne
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Senior Lecturer in Food Systems, The University of Melbourne
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Professor - Australian Rivers Institute, and Dean - Research Infrastructure, Griffith University
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Research Fellow: Food and Urban Systems, University of Helsinki
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Food Systems Research and Partnerships, The University of Melbourne
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Professor of Geophysics, Durham University
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Reader / Associate Professor in Environmental Geoscience, Sheffield Hallam University
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Chief Environmental Scientist, EPA Victoria; Honorary Professor, School of Natural Sciences, Macquarie University
