Familiar with the constructed wetland environment?

Constructed wetlands are a low-technology alternative to treat wastewater while at the same time harvesting the wetland plants as an energy source. In such a system, nutrients that would otherwise be released into surface water or groundwater can be captured and used in agricultural lands instead. This offsets the need for artificial fertilisers and improves the quality of ecosystems.

Threading together the components of the water-waste-energy nexus links resources to more than one use. This minimises losses of material and energy and maximises resource use impact, which can ultimately lead to sustainable development.

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Photo credit: Global Landscapes Forum via Foter.com / CC BY-NC-SA