Artificially dimming the sun, by injecting reflective particles into the upper atmosphere, could reduce the risk of Day Zero level droughts in Cape Town by more than 90% in the future.
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Articles on Day Zero
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Regional tourism took a huge knock from the Day Zero experience in Cape Town, South Africa. Here are the lessons learnt.
The real crisis with water supply is that South Africa doesn't know what it doesn't know.
South Africa's Department of Water and Sanitation has plans in place to ensure adequate water supply until 2040 and beyond.
Once water is used in washing, cleaning or even sewerage it can be safely and reliably treated. The treated water is then safe to drink – identical to the original water.
Cities need to pay attention to how extreme weather events effect their resources.
Cape Town's draft strategy on water supply is out for comment, but important elements are missing from it.
There are regions in South Africa where it hasn't been established if the rainy season is in summer or winter.
Water supply systems weren't designed to deal with altering weather patterns brought about by climate change. This needs to change.
South Africa is a water-scarce country where inequity and a lack of fairness and justice pervades water distribution.
Cape Town is testing new strategies to nudge domestic users into reducing their water use.
There are measures in place to manage Day Zero and beyond. Models show that these will not work.
If you want to live like a local when on holiday, you should defecate like one.
Day Zero will be the start of active water rationing when taps will be cut off and people will have to go to collection sites.
We think of Canada as a water-rich country, but we are not immune to water shortages or disasters. With some advance planning, Canada can avoid a water catastrophe.
When day zero arrives in Cape Town, the routine surveillance systems that monitor disease outbreaks will be enhanced to pick up new diseases.
The experiences of other countries can provide valuable lessons for Cape Town on how to better cope with its water crisis.
Opposition leader Mmusi Maimane's takeover of responsibility for tackling the Western Cape water crisis blurs party and state lines.
Top contributors
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Visiting Adjunct Professor, University of the Witwatersrand
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Director, African Climate and Development Initiative, University of Cape Town
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Associate Director, Environmental Change Institute, University of Oxford
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Professor, UTS Institute for Public Policy and Governance and UTS Centre for Local Government, University of Technology Sydney
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Associate Professor, Department of Environmental and Geographical Science and African Climate and Development Initiative Research Chair, University of Cape Town
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Senior Lecturer in Marketing, University of Huddersfield
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Senior Lecturer in Environmental & Geographical Science, University of Cape Town
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Division of Family Medicine and Primary Care, Stellenbosch University
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Associate Professor, IRES, Institute for Gender, Race, Sexuality and Social Justice, University of British Columbia
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Professor of Law, University of the Witwatersrand
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Associate Professor of Physical Geography, University of the Witwatersrand
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Senior Research Fellow, University of Cape Town
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Visiting professor, University of Saskatchewan
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Senior Researcher in Hydro-Climatology, University of Cape Town
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Senior Research Officer Institute for water research, Rhodes University
