Environment Lens
Written by: Kai Xiang
Written by: Kai Xiang
Environment can be approached from 2 different perspectives- Natural Environment and Physical Environment. The approach to Environment Lens is to achieve some form of Eco-Literacy. Eco-Literacy is defined as the ability to understand the natural systems that make life on earth possible.
This is done through the 5 practices
Practice 1: Developing Empathy for All Forms of Life
Practice 2: Embracing Sustainability as a Community Practice
Practice 3: Making the Invisible Visible
Practice 4: Anticipating Unintended Consequences
Practice 5: Understanding How Nature Supports Life
The main message is that Everything in Nature is Connected and Interdependent.
Where am I?
Find any comfortable spot* to stay for at least 5 minutes, better if more. Look at the environment around, above and below you. Identify the different living things you can find. Draw a web containing you within this larger environment that you are in. How are you related to this environment? Make notes or drawings of how you are affecting it or being affected by it.
*this activity is easier if done in a green space.Get participants to share how they feel while doing the activity and if they found any interesting objects that they did not realize was there. Invite the participants to share and explain what they have drawn.
Makan apa?
Find any comfortable spot* to stay for at least 5 minutes, better if more. Look at the environment around, above and below you. Look at the environment we are in now, identify as many living things and draw a food chain with at least 4 different levels/components.
*this activity is easier if done in a green space.After 5 minutes,
Get them together in groups of 2 or 3 to see how they can combine individual food chains into a food web.
Get participants to share how they feel while doing the activity and if they found any interesting objects that they did not realize was there. Invite the participants to share and explain what they have drawn.
Extra Questions for this activity
Within an ecosystem, is there any more components/elements to it?
What do you think are the relationships and interactions between the different parts of a food web?
(can talk about energy cycle, or nutrients cycle)
After the activity, these can be some discussion questions. You can choose which focus you want and rephrase the questions to suit the group. The concept explored in this activity is Ecosystems. This is something that instructors can get participants to think about what constitute an ecosystem after the discussion.
Questions that Focus on Ecosystems
1. What do you think are the components of an ecosystem? (see notes on Ecosystem)
2. What kind of ecosystems/habitats do you think there are in Singapore? What makes an ecosystem? ( Get them to think beyond their usual responses)**
**Link to Heritage: These are considered our natural heritage. Why do we need to preserve/conserve these?e.g. Forest (different kinds- lowland vs coastal hill vs swamp forest vs secondary forests); Urban vs natural (Parkland, Buildings, Roadsides) Land vs Water (Freshwater: Streams, Canals, Reservoirs vs Marine: Coral reefs, Inter-tidal, Mangroves)
3. What do you think makes an ecosystem function better? What makes it balanced/not balanced?
Do more members in the network make it stronger or weaker? (can talk more about Biodiversity and its importance)
4. What are some challenges to an ecosystem?
a. Biodiversity Disruption/ Loss due to loss of natural habitats or prevailing conditions or introduction of invasive alien species.
b. How does invasive species affect an ecosystem?
c. What are natural habitats/conditions affected by?
Urbanization
Can we have both nature and urban together?
How do we benefit from the presence of nature in our urban settings? (Reducing stress, therapeutic, Economic benefits, fresher air, etc. )
Do you think biophilia exist? (part of human nature is to be with nature and there’s emotional connection to all of nature)
How do you think you can design a living environment to be good for you and ecological systems?
Why is it important to conserve our environment?
How do you think we can help to conserve our environment?
Climate Change
What effects of climate change affect the natural habitats the most?
Questions that Focus on Green Spaces in Singapore
1. Do you think there’s more greenery or less greenery in Singapore compared to the past? What about in comparison to other cities or countries you have visited?
2. Why do you think Singapore has placed so much emphasis on greening?
3. We used to aim to be a City in a Garden. Recently, it was changed to City in Nature? What do you think are some areas Singapore can work on to make this a reality?
4. Where we are now is considered a Nature Way. Look around carefully, why do you think this is a nature way and how does it serve its purpose?
If closing up here and not exploring the topic of Environment further,
Now with this food web/ ecosystem drawing, replace it with the people in our group, what functions do they serve? Why are they important to the watch?
Imagine our course as an ecosystem, how would you replace what we have into the ecosystem drawing. What do you think we can do to make our ecosystem thrive?
What diversity is present in our watch? What are the strengths and weaknesses that you bring to our ecosystem?
What is the Greenhouse Effect?
Sun send out solar radiation (heat).
Earth absorbs most of it and reflect some back into space. Our atmosphere which contains Greenhouse Gases (e.g. Carbon Dioxide CO2, methane, Nitrous Oxides, etc.) traps some of these heat and warms the Earth. This is known as the Greenhouse Effect.
Human activities release CO2
Fossil fuels such as coal, oil and natural gas are burnt to produce electricity, in the process releasing CO2.
Cars, planes and vehicles burn fuel and produce CO2.
Forests are cut down due to agriculture, urbanisation and resource extraction to meet the demands of population growth. This means fewer plants to remove CO2 from the air.
In the last 150 years, CO2 in the atmosphere has increased from 280 parts per million to 400 ppm. The average global temperature has increased by 0.8 degrees.
What is the Greenhouse Effect?
Sun send out solar radiation (heat).
Earth absorbs most of it and reflect some back into space. Our atmosphere which contains Greenhouse Gases (e.g. Carbon Dioxide CO2, methane, Nitrous Oxides, etc.) traps some of these heat and warms the Earth. This is known as the Greenhouse Effect.
Human activities release CO2
Fossil fuels such as coal, oil and natural gas are burnt to produce electricity, in the process releasing CO2.
Cars, planes and vehicles burn fuel and produce CO2.
Forests are cut down due to agriculture, urbanisation and resource extraction to meet the demands of population growth. This means fewer plants to remove CO2 from the air.
In the last 150 years, CO2 in the atmosphere has increased from 280 parts per million to 400 ppm. The average global temperature has increased by 0.8 degrees.
Individual actions add up and contribute. One person helping is one part save. **
Use less electricity: bulk of emissions come from producing electricity
Eat more vegetables and less beef and milk
Share and encourage your household to do the same
70% of Singapore's coastline is protected with structures such as sea walls and rock slopes.
Climate Change and Impacts on Singapore
2. Background about Climate Change
Rising Temperatures
Food Production/Security
Rising Sea Levels
What are the impacts on Singapore?
Of all the impacts, which is the most serious on Singapore?
After the activity, these can be some possible discussion questions.
General Discussion Questions (customize to story and place used)
Discussion Questions related to National Heritage
• What are some examples of national heritage? Why are they preserve?
• What do you think is something of importance in our national heritage that we must protect? Why? Do you know if this is currently being preserved?
• What made this place special to this person?/ Why do you think this place is special to the people here?
• Do you have a special place? Why is it special?/ What is the strongest memory you have related to a particular place?
• How has the place changed? Do you like how it looks now or you prefer how it was? Why?
Linking back to Heritage (these questions can also be used under Individual Heritage)
• What does Heritage mean to you? Please give some examples*
• Why do you think heritage is important? Why should we care about our heritage?
• How does it help us to know about our past?
If the participants are interested, we can dwell further into heritage. By explaining more on the 2 types of heritage. Tangible vs Intangible.
• Which come easier to mind? Why?
• Which is easier to preserve? Why?
Comparing Tangible and Intangible Heritage
Despite official designated sites, this aspect of heritage can be discussed in any setting or a location which you are already discussing place heritage. This could also be done as an end of day/closing circle to explore deeper into heritage.
This can be done at any setting because in any neighbourhood or place of interest that you stop, the question of whether this particular place is worthy of national heritage can be asked. (An activity using Singapore icons as a memory game can be used. It is still under development.)
National Heritage is also closely related to the idea of preservation. The questions related to preservation can be used together with Individual Heritage or Place Heritage.
• How do you think decisions are made to preserve heritage? Who is heritage preserve for?
• What do you think is the best way to preserve heritage?
• How can you help in the preservation or participate in this process?
2. Singapore’s World Heritage Site- Singapore Botanic Gardens. It was adopted as a WHS in 2015 for the reasons of:
• Centre for plant research in S.E Asia since 1859
• Contributed significantly to the expansion of rubber plantation in the 20th
century (rubber tapping methods was developed by SBG Director)
• Outstanding preserved example of a British tropical colonial garden
A point to note is to distinguish between the 2 commonly misuse words of Preservation and Conservation.
Preserve= keeping something as it is.
Conserve= make use of it wisely and not waste it
• Centre for plant research in S.E Asia since 18
• Contributed significantly to the expansion of rubber plantation in the 20th
century (rubber tapping methods was developed by SBG Director)
• Outstanding preserved example of a British tropical colonial garden
Water and History
Singapore was chosen by the British because of its access to fresh water. Right next to the Singapore River, there was a source of water at Bukit Larangan (Fort Canning Hill) where the British constructed a reservoir (more like a water tank).
We experienced our first water scarcity when the reservoir can no longer meet demands in 1830s. More wells were dug around the hill.
A new reservoir was planned but did not materialise due to bureaucracy, despite the donation of a Chinese merchant, Tan Kim Seng, Finally, the Impounding Reservoir was built in 1877. It is now known as MacRitchie Reservoir.
The reservoir wasn't enough despite being expanded over time, due to increasing demand and prolonged periods of dry weather. Water supply was restricted to as little as 2 hours per day.
With our population continually growing, a new reservoir was created in 1902 known as the Kallang Reservoir, present day- Lower Pierce Reservoir. Plans were made for a third reservoir (Seletar Reservoir) while considering an option of importing water from Johor in 1904.
In 1953, daily consumption was 52 million gallons per day. This was met with diversifying the sources of water in Johor that Singapore was collecting water from. Singapore was heavily dependent on Johor's supply when a water crisis happened when the British blew up the Causeway along with the water pipe in 1942.
In 1963, as a result of prolonged period of dry weather, Singapore experienced its worst drought and a water rationing exercise lasted for 10 months. During the ration, the water supply was available only 3x a week from 8am to 8pm.
Upon independence, the government realized that water is an existential threat and as a water-stressed country, establishing water security was the most important priority of the government.
More history here.
This aspect of world heritage is the furthest removed from an everyday person’s life. However this can bring a global perspective into the topic of heritage and can be associated with any of the Individual/Place/National Heritage. The approach to World Heritage is slightly different where you can ask questions first to get a better understanding of the participants’ background knowledge.
Debriefing Questions related to Water
What can you learn from Singapore's Water Story?
Disability is our greatest opportunity: Water is our highest policy priority that affected our defence and economy. Over the years, because of its priority, we have overcome the challenge and has transformed a scarce resource to a key strength in expertise in water governance.
Long term planning: Water is factor in land-use planning, separating residential from industrial estates. The entire island has separate systems for the collection of rainwater and used water. Continued investment in water technology and keeping abreast with global development allowed water recycling to happen at a cost effective stage.
Frugal use of resources: Creating a mindset of not taking water for granted. The older generation had to go through severe drought and prolonged water rationing just before independence. And one of the reasons the British surrendered was due to our low water supplies. This psyche of water scarcity helped to ensure that water related policies was understood and accepted.
Building capacity one step at a time: Our water story tracked our country’s economic development from survival to sustainable economic development. Economic growth and infrastructural development are mutually reinforcing. We were able to explore alternative sources such as desalination because we had the means to do so.
Singapore has a closed water loop. By closing the loop, we attempt to collect every drop of water so that we can reuse water endlessly to maintain our supply of water.
Consider the various activities at home that takes up the most amount of water, what can you do to save water at home.
PUB Save Water Poster
4. The nomination process started with National Heritage Board conducting a poll and Food Heritage was highlighted as the most important aspect of Singapore. Hawker Culture emerged from a series of focus group discussions with different stakeholders.
The nomination’s goal is to
• Contribute to diverse cultural practices of the world
• Encourage greater appreciation for our hawkers
• Ensure that hawker culture will continue into the future, so that our future generations can continue to enjoy the food passed down from our forefathers
This is a short history of hawker centres as part of our hawker culture.
• Early migrants set up along the street as it required little capital and minimal skill
• Street hawkers lasted until the 1980s
• Moved into purpose built hawker centres to ensure proper sanitation and amenities (1968-1986)
• More than 110 hawker centres now
The development of hawker centres can be linked to the Development lens.
Environment
The Urban Eyes Lenses are interconnected and heritage can also be linked to the Environment. The use of heritage need not only be restricted to man-made items or human related settings. Our diverse habitats in Singapore from the forest to the sea such as mangroves and freshwater swamp is part of our unique natural heritage. We have a unique offshore landfill with mangroves and reefs, our nature reserves and our impressive record of 40,000 species of native organisms.
Heritage is only a lens and a tool to bring about a different understanding of the world, of others and of the participants themselves. There are some elements of sense of place involved. These are all primers to get to the deeper questions behind how participants see themselves.
Debrief Questions
After understanding about heritage, what would you answer if someone ask you what is your heritage?
What will be your legacy, what will be the heritage you leave behind?
Which parts of yourself are you preserving, which parts do you want to change? How will you do so?
Which part of your life is worth preserving as heritage for your children?
What new questions do you have about yourself ?
What part of your heritage are you particularly proud?
How does knowing your heritage help you in life/ know where to go from here?
What can you do to help preserve your community’s heritage?
1 in 3 people do not have access to safe drinking water
2 out of 5 do not have a basic hand-washing facility
About 10% of the global population still practice open defecation
More info here
At least basic drinking water represents an improved source within 30 minutes’ round trip to collect water (6.5 billion people)
'limited' constitutes an improved water source more than a 30 minute round-trip away (260 million people)
'unimproved' is one that by the nature of its construction does not adequately protect the source from outside contamination (420 million people)
'surface' is that from surface water sources (160 million)
Read more here
Thoughts on Global water situation:
At independence, Singapore was one of the countries that had unimproved and limited water sources for the population that stayed outside of the city in kampungs. Some of our parents or grandparents would have experienced that. How do you think growing up in such conditions shape your mindset on water usage?
As essential as water, we did not get to where we are today by accident. Have we taken water for granted? What else have we taken for granted that we can be more aware of.
• Heritage is intrinsic and emotional.
• It is a product of family, of culture, of values, of nationality.
• By saying we’re Singaporean we have ascribe a specific heritag - everything to do with Singapore's history culture values food landscape – to our identity.
• Because it’s intrinsic, it’s emotional so when we witness a loss we are outraged or saddened. We feel like we have lost a part of our family, a part of us.
• It is timeless and unique. It has to do with the past but not only. That would be history.
• What we do in the present with what has been left to us from the past, so generations in the future may still be able to enjoy it.
• It is a process, of inheriting. There is something to inherit and someone who will inherit it.
• What do we preserve and for what/who are we preserving it for.
• Heritage is unique. What we decide to leave our children are things unique to us as a family or individual. We are leaving a bit of ourselves. We all can be and are an expert in heritage. Our heritage.
At least basic drinking water represents an improved source within
30 minutes’ round trip to collect water; 'limited' constitutes an improved water source more than a 30 minute round-trip
away; 'unimproved' is one that by the nature of its construction does not adequately protect the source from outside
contamination; and 'surface' is that from surface water sources.
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