Today we celebrate World Water Day. This year the theme is wastewater and the campaign, ‘Why waste water?’, is about reducing and reusing wastewater. 🙂
Top line messages involving 2017 wasterwater theme:
- Globally, over 80% of the wastewater generated by society flows back into the ecosystem without being treated or reused.
- 1.8 billion people use a source of drinking water contaminated with faeces2 , putting them at risk of contracting cholera, dysentery, typhoid and polio. Unsafe water, poor sanitation and hygiene cause around 842,000 deaths each year.
- 663 million people still lack improved drinking water sources.
- By 2050, close to 70% of the world’s population will live in cities, compared to 50% today5 . Currently, most cities in developing countries do not have adequate infrastructure and resources to address wastewater management in an efficient and sustainable way.
- The opportunities from exploiting wastewater as a resource are enormous. Safely managed wastewater is an affordable and sustainable source of water, energy, nutrients and other recoverable materials.
- The costs of wastewater management are greatly outweighed by the benefits to human health, economic development and environmental sustainability – providing new business opportunities and creating more ‘green’ jobs.
Instead of wasting wastewater, we need to reduce and reuse it. In our homes, we can reuse greywater on our gardens and plots. In our cities, we can treat and reuse wastewater for green spaces. In industry and agriculture, we can treat and recycle discharge for things like cooling systems and irrigation. 😉
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