Sponge City: An Ecosystem Engineering Case Study
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Provided by: PBS|Published on: April 14, 2026
Videos
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Synopsis
- This video features landscape architect Kongjian Yu's solution to the impacts of pollution in Haikou, China on a downstream mangrove forest.
- The resource includes a variety of support materials for students to evaluate the nature-based solution, evaluate their own local watershed, and discuss whether this nature-based solution can be used anywhere else.

Subjects: Engineering
Authors: PBS
Region: Asia
Languages: English
Teaching Materials
Positives
- The architect's model is great for helping students visualize and understand the solution.
- Students will enjoy the interactive mapping activity and finding their own watersheds.
Prerequisites
- Students should understand the importance of carbon sequestration in mitigating climate change.
- Because it is briefly mentioned, it may also benefit students to understand how climate change influences sea level rise.
- The instructions for navigating the map may be incorrect. For example, the layer list may be on the right-hand side of the map, rather than along the top. Instead of checking a box next to the Watershed Boundary Dataset, students will need to click on the eye with a line through it.
Differentiation & Implementation
- Students can create flashcards for the vocabulary terms, adding to their flashcards an image they feel best represents that term.
- This resource can be used in conjunction with this lesson on the importance of mangrove forests.
- Teachers can use this lesson to make connections to the Sustainable Development Goals, demonstrating the interconnection between SDG 6, Clean Water and Sanitation, SDG 11, Sustainable Cities and Communities, and SDG 15, Life on Land.
Scientist Notes
Teaching Tips
Standards
Resource Type and Format
Scientist Reviewed
This resource has been reviewed by SubjectToClimate's climate scientists and verified for scientific accuracy and up-to-date information. Our review process ensures that every resource in our library reflects the current state of climate science.
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