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Listed under: Science > Environmental management > Waste management > Wastewater > Sewage

Listed under: Economics and business > Economy > Production (Economics) > Resources > Natural resources > Water resources > Water treatment > Wastewater > Sewage

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Catalyst: Managing groundwater for tomorrow

TLF-IDM015396

Seventy percent of Perth's water comes from underground. Imagine what would happen if that source of water dried up. It's a real possibility if the impact of the climate and human activity is not carefully managed. Watch as scientists show what causes groundwater levels to fall and the effect that has on the Earth's ecosystems. ...

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Water recycling

TLF-IDM016539

This 11 minute video segment from Catalyst provides an excellent explanation of the processes involved in recycling sewage for an urban water supply. It also provides a range of opinions and concerns in an excellent debate on the topic.