1CITIES AND SUSTAINABILITIES Introduction Urban Challenges in truest sense denotes the challenges faced the residents of the city owing to rapid modernization of the cities and with the advent of more and more people from the villages to the cities. It is estimated that by 2050, the population of the earth will be doubled and with this rapid increase in population clubbed with economic advancements, industrialization and modernization, serious sustainability issues and challenges will rise up (Childers et. al., 2014). All the above mentioned factors will raise the sustainability issues to a great extent in terms of poverty, environmental degradation, inequalities in both economy and bio diversity, spatial segregation and many more. Description Sustainability in an urban century In the era of globalization and modernization, more and more people are leaving their villages and settling in major town and cities in search of better opportunities in terms of job, income and standard of living. This is creating an upward pressure on the population of the citiesand isgivingbirthto majorsustainabilitychallengesthatthe citieshave ever experienced (Elmqvist et. al., 2019). The major sustainability issues that can be identified includes,crowding,lackoflivingspace,fiscaldifficulties,publiceducation,crimes, pollution, traffic, environmental degradation and many more. Thismoderneracanbewellidentifiedasanurbancenturywithincreasing sustainability challenges. The cities in today’s world are the source of more than 70% of global emissions of greenhouse gases and at the same time these cities are vulnerable to a global sustainability challenge of increasing water levels owing to 90% of such cities being situated along the coastlines (Vojnovic, 2014). With every passing day, urbanization is accelerating at a rapid pace as never before and it has become a challenge to address the
2CITIES AND SUSTAINABILITIES increasingsustainabilityissuesassociatedwiththisurbanization.Addressingsuch sustainability issues will require cautious resilience consideration while implementing such steps.Thesustainabilitychallengesrelatingtoeconomic,socialandenvironmental sustainability have enhanced multifold in today’s era, that the need to achieve sustainable development has been the one of the main agenda of the United Nations 2030 Development program and all of it concerns urban areas. With the increasing global need, deep uncertainty and complexity of the situations and challenges in urban century, there has been an increasing demand for new approaches to achieve a global sustainability transformation. Cities in history Sustainable transportation in truest sense means the object which helps the dwellers of a city or town to move from one place to another and at the same time be cost effective, provides employment to many, takes part in supporting a vibrant economy, less polluting, consuming lesser fossil fuels thereby contributing to a greener environment. Sustainable transportation is a burning issue in today’s world and especially in cities which is dominated by the major sustainable challenges as discussed above. The cities with lush greenery is history now. The cities before the industrial revolution was characterized by heavy vegetation cover, very less population. People were carried by horse carts hence there were very less pollution with greenery everywhere. The industrial revolution began in Australia around 1800’s and with the introduction of Railways in 1854, more and more people flogged into the majorcitiesfromallpartsinsearchofjobsandbetterlivingmakingitcrowded (Libguides.mhs.vic.edu.au, 2020). Railways in Australia spread very fast creating new townships and urban localities wherever it spread into. Railways reduced transportation cost by a great extent enabling people travel in all parts of the country. The beginning of the 19th century brought with it electric modes of transportation in terms of electric engines for railways and trams making the modes of travel faster and greener. The ownership and driving
3CITIES AND SUSTAINABILITIES vehicles that is a “Car Culture” in Australia emerged in late 1940’s. The following picture depicts the then Australian Prime Minister Chifley launching a car. Cars (Source: "Car wars", 2004) Cars became more or less a style statement for many. It became the source of jealousy within a few. Construction of extensive highways initiated by late 1940’s clearing forests and increasing the level of pollution. The following picture portrays the cars in early 1960’s.
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4CITIES AND SUSTAINABILITIES Cars (Source: "Car wars", 2004) Cities today: key challenges City life is something that a person dreams of with all the amenities that a person want to lead a happy and prosperous life. This draws more and more people from all the parts of the country into major cities of the country. This is creating major sustainability problems in all the major cities of the world. The major problems that the cities are facing in today’s time are discussed below: Environmental degradation:The rapid speed of urbanization is degrading the mother earth leaving mankind in the verge of major catastrophes (Monzon, 2015). The increasing levels of pollutions and greenhouse gases emitted from all major cities is a cause of climate change and rise in sea levels.
5CITIES AND SUSTAINABILITIES Resources:The cities are running short of the basic amenities like food, shelter and fresh drinking water owing to ever increasing population pressure including migration from other parts of the country (Weforum.org, 2020). Inequality:The rapid growth in technology has made life easier but at the same time enhanced the gap between the rich and the poor and also been the key contributor towards ecological imbalance. Cities and climate change Cities has always been a thriving Centre for commerce, art and culture offering a better standard of living to its dwellers. This expectation of a better life draws in more and more people from smaller towns and villages of the country. This provides an upward pressure on the necessary city resources like food, shelter and fresh drinking water and also is a contributor in creation of slums. As the population of the cities increases, the level of pollution from vehicles, factories and emission of greenhouse gases from various sources of city life increases (C40.org, 2020). This leads to massive environmental degradation and hampers the bio-diversity to a great extent. This environmental degradation is a major source of the climate change, rise in sea level, spread of major diseases mainly of respiratory origin and other major catastrophes.
6CITIES AND SUSTAINABILITIES Conclusion The above discussion portrays city life and how it evolved through the passage of time. It also depicts the major sustainability challenges that the cities are facing in today’s era and how these cities have been a major contributor of climate change. To conclude, improvement in science and technology will urbanize more and more towns and villages however, it should be kept in mind that the resources should be used judiciously to bring about a sustainable development.
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7CITIES AND SUSTAINABILITIES References C40.org. (2020).C40 Cities: Why Cities? Ending Climate Change Begins in the City. C40 Cities: Why Cities? Ending Climate Change Begins in the City. Retrieved 16 March 2020, fromhttps://www.c40.org/ending-climate-change-begins-in-the-city. Carwars.GoogleBooks.(2004).Retrieved16March2020,from https://books.google.co.in/books? id=1X9nDQAAQBAJ&printsec=frontcover&dq=Car+Wars&hl=en&sa=X&ved=0ah UKEwjCqIPrvp7oAhVuzjgGHVe5BmsQ6AEIQTAD#v=onepage&q=Car %20Wars&f=false. Childers, D. L., Pickett, S. T., Grove, J. M., Ogden, L., & Whitmer, A. (2014). Advancing urban sustainability theory and action: Challenges and opportunities.Landscape and urban planning,125, 320-328. Elmqvist, T., Andersson, E., Frantzeskaki, N., McPhearson, T., Olsson, P., Gaffney, O., ... & Folke,C.(2019).Sustainabilityandresiliencefortransformationintheurban century.Nature Sustainability,2(4), 267-273. Libguides.mhs.vic.edu.au.(2020).LibGuides:History:TheIndustrialRevolution. Libguides.mhs.vic.edu.au.Retrieved16March2020,from https://libguides.mhs.vic.edu.au/history/industrial_revolution. Monzon, A. (2015, May). Smart cities concept and challenges: Bases for the assessment of smart city projects. In2015 international conference on smart cities and green ICT systems (SMARTGREENS)(pp. 1-11). IEEE. Vojnovic, I. (2014). Urban sustainability: Research, politics, policy and practice.Cities,41, S30-S44.
8CITIES AND SUSTAINABILITIES Weforum.org. (2020).5 big challenges facing big cities of the future. World Economic Forum.Retrieved16March2020,from https://www.weforum.org/agenda/2018/10/the-5-biggest-challenges-cities-will-face- in-the-future/.