Green and blue infrastructure

Module 4 self-check quiz: Green and blue infrastructure

Answer 10 questions about green-blue infrastructure and urban benefits.

1. Question 1. Green infrastructure in cities usually includes:

   Parks, trees, green roofs and corridorsOnly underground utility tunnelsOnly private indoor plants

2. Question 2. Blue infrastructure usually refers to:

   Rivers, lakes, wetlands and managed water systemsOnly swimming poolsOnly bottled-water supply chains

3. Question 3. A key stormwater benefit of blue-green infrastructure is:

   Retention, infiltration and delayed peak runoffImmediate runoff concentration in streetsTotal elimination of drainage planning

4. Question 4. Green roofs are useful in dense areas because they:

   Add cooling and habitat where ground space is limitedIncrease indoor heat gain in all seasonsReplace all need for parks

5. Question 5. A common co-benefit of green-blue infrastructure is:

   Better health and well-beingHigher noise and poorer air qualityReduced recreational opportunities

6. Question 6. A major implementation challenge is:

   Long-term maintenance and cross-department coordinationNo need for institutional capacityGuaranteed funding without planning

7. Question 7. Compared with fully grey drainage, nature-based drainage often:

   Delivers multiple benefits beyond drainageProvides only aesthetic valueCannot function during rainfall events

8. Question 8. To improve equity, planning should prioritize:

   Underserved neighborhoods with low access to quality natureOnly high-income areasOnly city-center flagship projects

9. Question 9. Why are connected networks better than isolated projects?

   They improve ecological flow and system resilienceThey reduce all maintenance to zeroThey remove need for local planning

10. Question 10. In policy terms, green-blue infrastructure should be:

    Essential urban infrastructureOptional beautification onlyUnrelated to adaptation planning