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:

   Only underground utility tunnelsOnly private indoor plantsParks, trees, green roofs and corridors

2. Question 2. Blue infrastructure usually refers to:

   Only swimming poolsRivers, lakes, wetlands and managed water systemsOnly 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:

   Increase indoor heat gain in all seasonsReplace all need for parksAdd cooling and habitat where ground space is limited

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

   Higher noise and poorer air qualityBetter health and well-beingReduced 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:

   Provides only aesthetic valueCannot function during rainfall eventsDelivers multiple benefits beyond drainage

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

   Only high-income areasUnderserved neighborhoods with low access to quality natureOnly large projects in the city centre

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:

    Optional beautification onlyUnrelated to adaptation planningEssential urban infrastructure