U5L7 Urban Greening

Question 1

By 2050, the population of Earth will increase to __%

Answer 1

70

Question 2

Where are green spaces typically located?

Answer 2

Urban areas

Question 3

What are green spaces?

Answer 3

Green spaces refers to land that is partly or completely covered with grass, trees, shrubs, or other vegetation.

Question 4

What are some examples of urban spaces?

Answer 4

• parks
• sport fields
• woods
• community gardens
• green roofs
• natural wetlands

Question 5

What is the definition of urban?

Answer 5

Having to do with a town or city

Question 6

What are the tree categories of benefits of having green spaces?

Answer 6

• environmental
• economic
• health

Question 7

How do green spaces help at atmosphere?

Environmental

Answer 7

The trees and plants clean the air and produce oxygen. They help slow global warming by reducing the amount of greenhouse gases that are present in a city

Question 8

How do green spaces help animals and soil?

Environmental

Answer 8

Green spaces prevent soil erosion and provide a habitat for wildlife.

Question 9

How do green spaces affect temperature?

Environmental

Answer 9

They moderate the temperatures in a city by having a cooling effect on the urban heat island.

Question 10

What are some economic benefits of green spaces?

Answer 10

They increase the property values of buildings and homes in their vicinity.

Question 11

How do green spaces lower energy costs for neighboring buildings?
(Economical)

Answer 11

Because green spaces have a cooling effect, they can help to reduce the energy costs for neighboring buildings.

Question 12

How do green spaces lower the cost of storm water management?
(Economical)

Answer 12

They absorb rainwater and lower the costs of stormwater management.

Question 13

How can green spaces increase health in a community?

Answer 13

They provide locations for exercise, relaxation, and social interaction.

Question 14

How does green house space influence exercise and a healthy diet?

Answer 14

Community gardens provide foods while increasing physical activities

Question 15

What even green spaces shown to reduce?

Answer 15

Stress levels and depression (for some people)

… taking notes 👀

Question 16

What are examples of a combination of the 3 main categories?

Answer 16

A park might make commuting to work by bicycle more attractive, thereby promoting physical activity for better health and reducing the economic costs of driving a car. a rooftop garden can provide a habitat for insects while increasing the sense of well-being for those who work the garden. an apartment near an urban wood will have lower cooling costs and improved air quality.

Question 17

Why is creating a green space sometimes difficult?

Answer 17

Creating a new green space means trying to determine the size, placement, and type of green space that will provide the most benefits to the most people.

Question 18

Where are places builders often don’t build green spaces near?

Answer 18

Disadvantaged groups (people with low income for example)

Question 19

What is often the biggest problem with building green spaces?

Answer 19

The lack of space

Question 20

Idk how to make this a question ;-;

Answer 20

green space must consider how to renovate buildings to add green roofs or walls. Since older buildings were not designed to bear the weight of green roof or wall materials and do not have adequate drainage systems built in, significant planning, money, and effort are required to successfully complete a renovation

Question 21

What concern might cities have with park trails?

Answer 21

Park trails typically require maintenance in the form of patching asphalt or adding gravel. In northern climates, they may require plowing in the winter. If safety is a concern, additional police officers may be required to patrol the trails.

Question 22

What concern might cities have with pesticide use?

Answer 22

Pesticide use can help minimize weeds and undesirable insects, but it may also kill pollinators like bees. Pesticides in runoff water can flow into ponds, where they increase the growth of algae and sometimes kill fish.

Question 23

What concerns might cities have with green roofs?

Answer 23

Green roofs require people to maintain them. The materials used, such as vegetation, waterproof sheets, and drainage pipes, may need replacement. The roofs may not be accessible to the disabled.

Question 24

What is Singapore’s nickname?

Answer 24

Garden green

Question 25

What does the Sustainable Singapore Blueprint show!

Answer 25

Provides a framework for sustainability efforts through 2030

Question 26

What is the definition of sustainability?

Answer 26

The ability to use a resource so that it is not depleted or permanently damaged.

Question 27

This is the Sustainable Singapore Blueprint plan.

Answer 27

1. Increase the amount of park space, which was 16.108 square miles in 2015 or 6% of the city’s land, to approximately 18.3 square miles in 2030.
2. Increase the number of households within a 10-minute walk of a park from 83% in 2015 to 90% in 2030.
3. Increase the number of “Community in Bloom” community gardens from 995 in 2015 to 2,000 in 2030. This is an increase of 101%.
4. Increase the amount of greenery on buildings from 0.278 square miles in 2015 to 0.772 square miles in 2030. This is an increase of 178%.

Question 28

What has the Skyrise Greenery Incentive Scheme done?

Answer 28

It has aided in greening over 110 older buildings, resulting in green roofs, edible gardens, recreational rooftop gardens, and walls of greenery.

Question 29

What are the two types of green roofs?

Answer 29

Extensive and intensive

Question 30

Describe extensive green roofs?

Answer 30

• use low-growing plants such as mosses, herbs, succulents, and grasses
• have a soil depth of less than 6 inches
• have a dry weight of vegetation between 10 and 50 pounds per square foot
• require relatively minimal maintenance and have low start-up costs

Question 31

Describe intensive green roofs.

Answer 31

• use a wide variety of plants, possibly including large shrubs and trees
• have a soil depth of 6 inches or more
• have a dry weight of vegetation between 50 and 150 pounds per square foot
• require significant structural support - require routine maintenance and have high start-up costs

Question 32

Why is it important for green roofs to be built properly?

Answer 32

This keeps the building underneath safe and secure from leaks and damage. It also insured the longevity of the plants on the roofs.

Question 33

What are layer of green roofs?

From top to bottom

Answer 33

1. Plants
2. Growing medium (dirt or sand for example)
3. Filter cloth
4. Drainage layer
5. Root barrier
6. Waterproof membrane

Disclaimer: The composition of green roofs varies, however all contains these layers

Question 34

What is the purpose of the filter cloth?

Answer 34

Prevents growing medium and other materials from reaching drain

Question 35

What is the purpose of the drainage layer?

Answer 35

Drains excess water off the roof

Question 36

What is the purpose of the root barrier?

Answer 36

Helps protect membrane from being penetrated by roots

Question 37

What is the purpose of the waterproof membrane?

Answer 37

Overall protection of building underneath

Question 38

Think about what effects the additional material would have that should be accounted for when planning a green roof?

Answer 38

You should account for the extra weight of the material. Also, the additional cost and the time it would take to install.

Question 39

What environmental purposes do green roofs have?

Answer 39

Green roofs can protect and maintain biodiversity by allowing many different types of plants to coexist together. These plants can provide crucial habitats for insects. Urban green roofs also help to replace green spaces that were lost to buildings and infrastructure.

Question 40

What economical purposes do green roofs have?

Answer 40

Green roofs tend to last longer than traditional roofs, which helps reduce the cost of replacements. They also act as natural insulation, keeping heat out during the summer and inside during the winter. They increase the energy performance of buildings, as cooling and heating costs can significantly drop in buildings with green roofs. They also absorb and then slowly release stormwater, preventing runoff that can overwhelm and damage a city’s sewer system.

Question 41

How can green roofs improve the health of residents who do and don’t visit the green roof?

Answer 41

Green roofs improve air quality by absorbing pollutants and carbon dioxide, and producing oxygen. They help regulate the climate of a city, reducing extremes in temperature. Green roofs have been shown to promote mental health and relaxation for those who spend time in them, and green roof gardens can also provide a source of fresh, local produce.

Question 42

What are the two biggest concerns when developing a green roof plan?

Answer 42

1. Cost of installation

2. Maintainer costs

Question 43

Think about reasons why a large city like New York would want to incorporate green roofs.

Answer 43

A large city like New York City has many buildings and little area for green space. Adding green roofs would give the city more green area. The residents could benefit from less pollutants in the air. The costs of heating and cooling buildings with green roofs could be reduced. Green roofs would give the people of the city more green areas in which to gather.

Question 44

Which country is the leader in green roof usage?

Answer 44

Germany

Question 45

The Chicago City Hall has a green roof that includes a growing medium which varies from 3 to 24 inches in depth. The plants used include grasses, succulents, and trees. Which type of green roof best describes the Chicago City Hall green roof?

Answer 45

intensive and extensive
….
A growing medium of 6 inches or more is a property of an extensive green roof. Trees are also a property of an extensive green roof.