All over Europe, it is often possible to observe water resources being wasted while watering gardens. At the same time, many countries, especially in Southern Europe, face a lack of water during warm summertime periods and they cannot water green areas. These and other places could benefit from recycling water, or just from restoring their degraded ecosystems. Through this lesson, students will learn about nature-based solutions (NBS) in general and specifically about NBS for wastewater treatment, which can not only purify water from pollutants but provide numerous co-benefits. Through a project-based learning (PBL) approach, students will build a prototype of a constructed wetland. Nature-based solutions (NBS) are solutions that are inspired and supported by nature, which are cost-effective, simultaneously provide environmental, social and economic benefits and help build resilience. Such solutions bring more, and more diverse, nature and natural features and processes into cities, landscapes, and seascapes, through locally adapted, resource-efficient and systemic interventions. Nature-based solutions must therefore benefit biodiversity and support the delivery of a range of ecosystem services.
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