Leslie Massey
Sydney, Australia, is characterised by a diverse landscape that blends coastal features with inland plateaus. The city is divided into two primary regions: the relatively flat Cumberland Plain to the south and west of Sydney Harbour, and the elevated Hornsby Plateau to the north. The Hornsby Plateau, composed of sandstone, rises to approximately 200 meters (656 feet) and is dissected by steep valleys, creating a rugged terrain with significant elevation changes. Sydney's elevation and topography have contributed to the development of distinctive landscapes, including iconic beaches, harbours, and natural parks.
In recent years, the introduction of green spaces in urban areas has sparked discussions about a phenomenon known as green gentrification. Green gentrification occurs when the addition of parks, gardens, and other environmental improvements leads to increased property values and the subsequent displacement of low-income or marginalised communities. While creating green spaces can bring economic and environmental benefits, it can also result in unintended consequences, such as rising rents and a shift in the demographic composition of the neighbourhood.
This paragraph introduces the topic of Sydney's elevation and its potential connection to the concept of green gentrification. It provides a brief overview of Sydney's geographical characteristics and then transitions into a discussion of green gentrification, setting the stage for further exploration of how Sydney's elevation and green spaces might intersect with social and economic dynamics.
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What You'll Learn
Sydney's housing crisis
Sydney, one of the most expensive cities in the world, is facing a housing crisis. The city has witnessed mass migration since World War II, with over 40% of the population born overseas by 2021. This has been further compounded by insufficient new housing, resulting in soaring housing prices that are driving young people out of Sydney. Between 2016 and 2021, Sydney lost twice as many people aged 30 to 40 as it gained, with 70,000 leaving due to the inability to afford homes within a reasonable distance of their workplaces.
The housing crisis in Sydney has been influenced by various factors, including immigration growth, insufficient supply of new dwellings, and the city's attractiveness as a destination. The New South Wales Productivity Commission report highlights the need for hundreds of thousands of new homes over the next two decades to address the shortage.
The crisis has sparked debates about potential solutions, such as constructing more apartments to increase density. However, this proposal has faced backlash from residents and councillors, who argue that it will cause social and environmental problems and impact the city's heritage. They have protested against allowing six-story apartment blocks around suburban train stations.
Gentrification has also played a role in Sydney's housing crisis. Areas like Pyrmont, Darlinghurst, Green Square, Millers Point, and Paddington have undergone significant gentrification, with former industrial or working-class areas being transformed into high-density housing, tourist accommodations, or trendy neighbourhoods. While gentrification can bring improvements and investments to neighbourhoods, it can also lead to the displacement of low-income residents and contribute to housing instability, particularly for renters.
The government's actions, such as the redevelopment of social housing stock and transportation infrastructure upgrades, have been identified as contributing factors to gentrification and displacement. Additionally, Australian housing, financial, and social policies have been criticised for prioritising profit and wealth generation over ensuring housing affordability for citizens. The slow contraction of the country's social housing sector and the lack of mechanisms to provide affordable housing have exacerbated the inequitable housing environment.
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Green gentrification's impact on lower-income households
Green gentrification, also known as environmental gentrification, is a relatively new concept that refers to the process by which efforts to improve urban environments, such as enhancing green spaces or reducing pollution, increase property values and living costs, often displacing lower-income residents and attracting wealthier ones. While the development of climate-resilient infrastructure is commendable, it can have adverse effects on socially disadvantaged communities. Such developments often attract affluent residential developers and businesses, leading to higher housing costs that long-time residents may not be able to afford.
In the context of Sydney, Australia, there has been a trend of gentrification among the inner suburbs since the late 20th century. Areas like Pyrmont, Darlinghurst, Green Square, and Millers Point have undergone significant redevelopment and urban renewal. However, it is unclear if these specific projects are examples of green gentrification. Nevertheless, Sydney's housing market has been criticized for prioritizing profit and wealth generation over ensuring housing affordability for its citizens. The slow contraction of the social housing sector and the lack of government mechanisms to provide affordable housing have contributed to an increasingly inequitable housing environment.
The impact of green gentrification on lower-income households can be significant. As green spaces are introduced or enhanced in urban areas, property values tend to increase. This can lead to the physical displacement of low-income households as they may no longer be able to afford the soaring housing costs. Additionally, long-time residents may experience cultural, social, and political displacement as the demographic makeup of their neighborhood changes.
Furthermore, lower-income households may face indirect consequences of green gentrification. As affluent developers and residents move into previously marginalized neighborhoods, the demand for improved infrastructure and services can strain local resources. This can lead to a further neglect of areas that were already struggling financially and socially. Additionally, the very presence of green spaces in low-income areas can become a target for predatory investors, who see an opportunity to buy up properties, invest in high-end redevelopment, and displace the existing community.
To mitigate the negative impacts of green gentrification on lower-income households, researchers and policymakers must focus on promoting social equity. This includes ensuring that local communities have a say in decision-making processes and benefit from development projects. Additionally, addressing the lack of affordable housing and implementing policies to improve housing stability for low-income renters are crucial steps to protect vulnerable residents from displacement. By balancing the need for environmental improvements with the well-being of existing communities, cities can strive for a more just and sustainable future.
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Sydney's hilly geography
Sydney's geography is defined by its location on the coast of Australia, surrounded by the Pacific Ocean to the east. The Blue Mountains lie to the west of the city, the Hawkesbury River to the north, and the Woronora Plateau to the south. Sydney's landscape features deep canyons and remnant plateaus, created by erosion from coastal streams. The city also sits on fault lines, dating back over 85 million years to when New Zealand began to break away from Australia.
The city's geology is characterised by ancient rocks, including Triassic shales and sandstones. Sydney's sandstone rock was formed around 200 million years ago when sand was washed down from Broken Hill. The layers of rock in the Sydney Basin have been gently pushed up and folded over time, especially during the formation of the Great Dividing Range mountains. This uplift has resulted in the Blue Mountains being composed almost entirely of sandstone. Sandstone slopes can also be found to the north (the Hornsby Plateau) and the south (the Woronora Plateau) of the city. Sydney's topography is varied, with low, rolling hills and wide valleys, as well as cliffs along the coast.
The Northern Suburbs of Sydney are particularly hilly, with elevations ranging from 80 to 180 metres above sea level, higher than the rest of the city. This area, known as the Hawkesbury Plateau, is characterised by sandstone ridges and gullies, as well as pristine waterways and abundant greenery. The Hills District, located between the Northern Suburbs and greater western Sydney, is similarly hilly and known for its rich soils and slightly higher rainfall.
The oldest parts of Sydney are located in the flat areas south of the harbour, as the hilly North Shore was slower to develop. The construction of the Sydney Harbour Bridge in 1932 improved connectivity to the North Shore, leading to the development of North Sydney as a secondary central business district. The Eastern Suburbs, known for iconic beaches like Bondi and Coogee, also feature prominent seaside cliffs.
Sydney has undergone significant gentrification, particularly in its inner suburbs. Formerly industrial areas like Pyrmont and Green Square have been redeveloped into high-density housing and tourist attractions. Darlinghurst, once known for prostitution, has also experienced significant gentrification since the 1980s, retaining its historic terrace-style housing.
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Sydney's green spaces
Sydney, Australia's largest city, has been experiencing gentrification since the late 20th century, particularly in its inner suburbs. This has resulted in the transformation of formerly industrial or working-class areas into desirable residential neighbourhoods.
One notable example is Pyrmont, a former shipping hub now characterised by high-density housing, tourist accommodations, and gambling venues. Darlinghurst, once known for prostitution, has undergone significant gentrification since the 1980s, retaining its historic terrace-style housing. Similarly, Green Square in Waterloo is undergoing an $8 billion urban renewal project, and Millers Point on the city harbour is being redeveloped as Barangaroo.
The Inner West, including Strathfield, has also witnessed gentrification. Historically, it housed the "country" estates of the colony's elites, as well as working-class industrial workers due to its proximity to transport and industry. Today, Strathfield is one of the most expensive postcodes in Australia.
Gentrification in Sydney has had complex impacts. While it has improved infrastructure and amenities, it has also led to rising housing prices, displacement of low-income residents, and a lack of affordable housing options.
Sydney boasts a diverse range of green spaces and natural habitats. The city is home to the Cumberland Plain Woodland in Western Sydney, the Sydney Turpentine-Ironbark Forest in the Inner West and Northern Sydney, the Eastern Suburbs Banksia Scrub along the coastline, and the Blue Gum High Forest in the North Shore. These ecosystems are critically endangered. Sydney also features wet sclerophyll forests in its elevated north and northeast regions, characterised by tall, straight tree canopies and a lush understory of shrubs, tree ferns, and herbs. Additionally, the Sydney Sandstone Ridgetop Woodland can be found in the Ku-ring-gai Chase National Park on the Hornsby Plateau.
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Sydney's history and development
Sydney, the capital of New South Wales, is Australia's most populous city. It was founded in 1788 as a British penal colony by the First Fleet of convicts, led by Arthur Phillip, making it the country's first European settlement. The city surrounds Sydney Harbour and extends about 80 km from the Pacific Ocean in the east to the Blue Mountains in the west.
The early history of Sydney was dominated by its existence as a penal colony. The environment was harsh, with poor soil and rough land. The settlement often lacked food until settlers crossed the Blue Mountains and found more fertile land to the west of the Great Dividing Range. The little food that was grown was rationed, and an outbreak of smallpox in 1789 killed about half of the Aboriginal population of the region. The source of the outbreak is controversial, with some arguing it originated from contact with Indonesian fishermen, while others believe it was deliberately spread by settlers.
In 1804, Irish convicts led around 300 rebels in the Castle Hill Rebellion, an attempt to march on Sydney and sail to freedom. The uprising was suppressed, with at least 39 convicts killed. This was followed by the Rum Rebellion of 1808, which resulted in the deposition of Governor William Bligh, who had imposed restrictions on trade and commerce in the town.
Under the governorship of Lachlan Macquarie (1810-1821), Sydney transitioned from a penal settlement into a thriving town. Macquarie set ambitious targets for the design of new construction projects, and the city now boasts a World Heritage-listed building, several nationally listed buildings, and dozens of Commonwealth-listed buildings. The population of Sydney grew rapidly during the 19th century, with terrace houses and public buildings of sandstone becoming characteristic features of the city. The Australian Museum, the country's oldest natural history museum, opened in 1827, and the University of Sydney was established between 1854 and 1861.
In the 20th century, Sydney continued to develop and expand. The progressive reduction in tariff protection from 1974 marked the beginning of Sydney's transformation from a manufacturing centre to a "world city", providing a range of services to local and global markets. Community protests in the 1970s led to the introduction of heritage and environmental legislation to preserve historic areas. Sydney has also become a leader in the development of green office buildings, with all building proposals required to be energy efficient.
Sydney has a diverse population, with over 40% born overseas as of 2021. It is one of the most expensive cities in the world yet consistently ranks as one of the most liveable. The city has a strong economy, with key sectors including education, finance, manufacturing, and tourism.
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Frequently asked questions
Green gentrification is the process in which urban green space improvements lead to the displacement of lower-income communities. It is often the result of city planners implementing green amenities such as parks and gardens with the intention of improving environmental conditions and community aesthetics, while overlooking increases in property values.
Examples of green gentrification include the New York City High Line, which caused a sharp 35% increase in adjacent housing values, and Chicago's Bloomingdale Trail, which saw property prices increase by 13.8% to 48.2% after the implementation of new greenery.
Sydney's topography is characterised by a diverse landscape that blends coastal features with inland plateaus. The city is divided into two primary regions: the relatively flat Cumberland Plain to the south and west, and the elevated Hornsby Plateau to the north. The Cumberland Plain has elevations ranging from 50 to 100 meters above sea level, while the Hornsby Plateau rises to approximately 200 meters and is dissected by steep valleys.
Highly elevated suburbs in Sydney typically range between 70 and 100 meters in height and include Leppington, Oran Park, Pemulwuy, Cecil Hills, Horsley Park, Greystanes, Seven Hills, and Mount Druitt.
Green gentrification can lead to the displacement of low-income and marginalized community members, resulting in a loss of community identity, culture, and values. It can also contribute to environmental injustice, as environmental hazards and amenities become disproportionately distributed across neighbourhoods.
