#SummerScienceFriday | Green Infrastructure Series: Multi-Benefits of Green Infrastructure

On this week’s #SummerScienceFriday, we continue our Green Infrastructure Series by discussing the multi-benefits of green infrastructure. Not only can it provide water and energy benefits, but habitat, health, educational, and social benefits too!

Enhanced Habitat

Since urbanization is the leading cause of habitat loss in LA, green infrastructure (GI) can help to replace impervious surfaces with green space and habitats for wildlife. Habitat is made up of four components: food, water, cover, and space. Choosing native plants, diverse plants, and keeping healthy soils are important to supporting greater biodiversity. Native plants attract native species, diverse plants attract diverse populations, and soil influences nutrient availability and food web interactions, creating a space for plants and animals to thrive (2). Soil is one of the most diverse habitats on earth and healthy soils will support healthy populations of bacteria, fungi, and worms!

Improved Public Health

Another benefit of GI is improved public health. For example, GI systems that integrate tree canopy have been found to reduce ozone and particulate pollution, creating healthier air for the surrounding community. In addition, GI increases exposure to the natural environment, reduces exposure to harmful substances and conditions, provides opportunity for recreation and physical activity, promotes community identity and a sense of well-being, and provides economic benefits at both the community and household level, all known to improve public health and safety (3).

Urban agriculture also improves health outcomes. There is great potential for food production to be part of GI designs, increasing local food security and sustainability, while also magnifying other GI benefits such as stormwater capture and carbon storage. Edible landscaping can be incorporated into several GI BMPs including green roofs, vertical walls, bioretention cells, community gardens, and urban forests to create edible green infrastructure (4).

Educational Opportunities

GI projects present a unique opportunity to create public awareness and educate surrounding communities on local watershed issues. Educational opportunities can be enhanced throughout the implementation and maintenance of GI systems through the use of websites, workshops, and media campaigns. The creation of school curriculum around GI has been reinforced by statewide requirements for environmental education and efforts to connect students to natural environments through project-based or hands-on learning (5). Some examples of green infrastructure being used for learning opportunities include:

  • Using rainscapes to enhance student understanding of solutions to environmental sustainability challenges

  • Increasing professional learning opportunities, instructional opportunities, and environmental literacy

  • Providing professional learning opportunities for teachers

  • Ensuring students have the opportunity to learn about the environment in a natural setting

In addition to the educational benefits centered on youth and school settings, informal classroom settings such as community gardens, community science and restoration projects have also been proven to provide authentic educational experiences.

Social

Features of GI, like community urban gardens and open space, can provide communities with food security, outdoor learning opportunities, and space for community events. Open space, like the LA River, can also provide a place to showcase artwork from local artists, which can bring communities closer together. Additionally, vegetation and trees can increase publicly available recreation areas, allowing urban residents to enjoy greenery without leaving the city.

Green Infrastructure Multi-Benefits for Schoolyards

Schoolyards have been shown to be a great place for green infrastructure innovation. In the last #SummerScienceFriday, we introduced the DROPS Project. Seeking these state funded opportunities are great ways to implement green infrastructure and secure its benefits for your school and community. Something as simple as planting more native plants, creating space for student artwork, maintaining planting areas on campus, or growing a garden for your class can be steps towards a greener, healthier, and community oriented campus.

Check out these resources below to learn more about how to incorporate green infrastructure on your campus!

Resources for Educators

  1. LA County Public Works: Creating your own garden

  2. University of Maryland Department of Landscape Architecture: Green Infrastructure as Outdoor Living Laboratories

  3. CWH: DROPS Storymaps

Sources Cited

  1. Milwaukee Metropolitan Sewerage District. (2018). Using Green Infrastructure to Enhance Urban Biodiversity in the MMSD Planning Area.

  2. Giller, K., Beare, M., Lavelle, P., Izac, A., and Swift M. (1997). Agricultural intensification, soil biodiversity and agroecosystem function. Applied Soil Ecology, 6, 3-16.

  3. EPA: Benefits of Green Infrastructure

  4. The United States Environmental Protection Agency. (2011). Reusing Potentially Contaminated Landscapes: Growing Gardens in Urban Soils.

  5. Montgomery County Public Schools. (2016). RainScapes For Schools.

  6. EPA-Health Benefits of Green Infrastructure

Remember to tag us in your photos this summer with #WatershedActive and stay connected with us!

Instagram- @watershedhealth

Facebook- @CouncilforWatershedHealth

Twitter- @CWH.org

We’d love to hear from you! Use this online form to reach our Science Team with a question or to share a #SummerScienceFridays topic of interest.

Many thanks to our #SummerScienceFriday partner for making this #SummerScienceFriday season possible!

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