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Despite expectations, cities in East Asia are becoming denser

Chandan Deuskar's picture
 
When we think of urban expansion in the 21st century, we often think of ‘sprawl’, a term that calls to mind low-density, car-oriented suburban growth, perhaps made up of single-family homes. Past studies have suggested that historically, cities around the world are becoming less dense as they grow, which has prompted worries about the environmental impacts of excess land consumption and automobile dependency. A widely cited rule of thumb is that as the population of a city doubles, its built area triples. But our new study on urban expansion in East Asia has yielded some surprising findings that are making us rethink this assumption of declining urban densities everywhere.

Tracking Urbanization: How big data can drive policies to make cities work for the poor

Axel van Trotsenburg's picture

Every minute, dozens of people in East Asia move from the countryside to the city.
The massive population shift is creating some of the world’s biggest mega-cities including Tokyo, Shanghai, Jakarta, Seoul and Manila, as well as hundreds of medium and smaller urban areas.

This transformation touches on every aspect of life and livelihoods, from access to clean water to high-speed trains that transport millions of people in and out of cities during rush hour each weekday.

#4 from 2014: How User-Generated Crisis Maps Save Lives in Disasters

Jing Guo's picture
Our Top Ten blog posts by readership in 2014.
This post was originally posted on February 26, 2014

 

YouTube, Wikipedia, Facebook, LinkedIn, Instagram, Twitter, blogs… This list could easily go on and on for paragraphs. Today, we are so immersed in social media that we can hardly go a day without reading or watching user-generated online content. Videos like “Charlie Bit My Finger” make us laugh. Free lessons on Khan Academy, which were originally started by a hedge fund analyst at home, help us learn.

But user-generated online content is not all about entertainment and free classes. Crisis maps on crowd-sourcing platforms like OpenStreetMap and Ushahidi have demonstrated a less expected yet significant capacity of user-led content creation online:  it saves lives in disasters.

There is No Middle Income Trap

Ha Minh Nguyen's picture

Concerns about the so-called “middle-income trap” have recently emerged among many middle-income countries, particularly after the term was coined in 2007 by two World Bank economists.  Worried that they may become “trapped” at the middle-income level, these countries are seeking a set of policies that can help them achieve strong and sustained growth and eventually help them join the league of high-income countries.

 In our recent paper, we try to shed some light on both issues. First, we do not find that countries are trapped at middle income. “Escapees” – countries that escaped the middle-income trap and obtained a per capita income higher than 50% of the U.S. level – tend to grow fast and consistently to high income, and do not stagnate at any point as a middle-income trap theory would suggest. In contrast, “non-escapees” tend to have low growth at all levels of income. In other words, while the existence of a middle income trap implies that growth rates systematically slow down as countries reach middle-income status, no such systematic slowdown is apparent in the data. Second, we provide some descriptive and econometric evidence for a different set of “fundamentals” that enable middle-income countries to grow faster than their peers. We find that faster transformation to industry, low inflation, stronger exports, and reduced inequality are associated with stronger growth.

A Public-Private Push for Infrastructure and ‘Inclusive Growth’

Donna Barne's picture

Swiss Re Group Chief Investment Officer Guido Fürer, European Investment Bank President Werner Hoyer, World Bank Group President Jim Yong Kim, and Australian Treasurer and Chair of the G20 Finance Track Joe Hockey at the signing ceremony for the Global Infrastructure Facility. © Simone D. McCourtie/World Bank

The idea of “Inclusive growth” and how to achieve it was talked about a lot in the days ahead of the 2014 World Bank-IMF Annual Meetings. Among the solutions on the table was a new initiative that could help unlock billions of dollars for infrastructure and improve the lives of many.

About 1.2 billion people live without electricity and 2.5 billion people don’t have toilets. Some 748 million people lack access to safe drinking water. The Global Infrastructure Facility (GIF) announced by World Bank Group President Jim Yong Kim this week hopes to lower these numbers by developing a pipeline of economically viable and sustainable infrastructure projects that can attract financing.

How Can Innovative Financing Solutions Help Build Resilience to Natural Disasters?

Francis Ghesquiere's picture
Resilience Dialogue 2014


By Francis Ghesquiere and Olivier Mahul

This week, the Resilience Dialogue, bringing together representatives from developing countries, donor agencies and multilateral development banks, will focus on financing to build resilience to natural disasters. 

There is growing recognition that resilience is critical to preserving hard won development gains. The share of development assistance supporting resilience has grown dramatically in recent years. New instruments have emerged in particular to help client countries deal with the economic shock of natural disasters. In this context, an important question is which financial instruments best serve the needs of vulnerable countries? Only by customizing instruments and tools to the unique circumstances of our clients, will we maximize development return on investments. Clearly, low-income countries with limited capacity may not be able to use financial instruments the same way middle-income countries can. Small island developing states subject to financial shocks where loss can exceed their annual GDP face vastly different challenges than large middle-income countries trying to smooth public expenditures over time or safeguard low-income populations against disasters.  

The WTO Environmental Goods Agreement: Why Even A Small Step Forward Is a Good Step

Miles McKenna's picture

Will the WTO be the first global organization to take action on climate change? Source - VerticalarrayInternational trade has a critical role to play in environmental protection and the effort to mitigate climate change. While it certainly isn’t always framed this way, it is important to realize that increased trade and economic growth are not necessarily incompatible with a cleaner environment and a healthier climate.

If we are going to move away from dirty fossil fuels and inefficient energy processes at a rate necessary to limit the likely devastating results of a warmer planet, then we need enabling policies in place—especially when it comes to trade policy.

That’s why, this week, a group of 14 World Trade Organization (WTO) Members are meeting to begin the second round of negotiations on the Environmental Goods Agreement (EGA)—an effort aimed at liberalizing trade in products that help make our world cleaner and greener.
 

Have Humans Evolved to Manage Megacities?

Chandan Deuskar's picture
Ancient cities, like Mohenjodaro in modern-day Pakistan, emerged relatively recently in human history.
Ancient cities, like Mohenjodaro in modern-day Pakistan, emerged relatively recently in human history (photo courtesy of Saqib Qayyum used through a Creative Commons license.)​


The growth of large metropolitan areas around the world has been very recent and very rapid, particularly when measured against the duration of human beings’ existence as a species. For the first 95% of our time on earth, we built no settlements at all. Cities of a million people arose during only the last 1% of homo sapiens’ time on earth, and there are already 500 such cities in the world today.

If we have spent most of our existence as small wandering bands, does that mean we are ill-equipped to manage urban settlements of this vast size? The key to success in our current urban transformation may in fact be the same as the key to mankind’s earliest origins - our ability to cooperate.

Tokyo, an Urban Carbon Cap-and-Trade Pioneer, Supports Putting a Price on Carbon

Yoichi Masuzoe's picture
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By Yoichi Masuzoe, Governor of Tokyo
 
The IPCC’s Fifth Assessment Report firmly centered on the reality of human-driven climate change. If we don’t take immediate and tangible steps to reduce the consequences of these actions, we will face an environmental crisis that will have a major impact on mankind’s existence. Here in Tokyo, we are extremely concerned about this danger, as it poses a huge threat to our goal of becoming a sustainable and environmentally-friendly city.
 
In the year 2030, it is estimated that the number of people living in urban areas will exceed 60 percent of the world’s population, and measures at the city level are now crucial. The effects of climate change are already becoming apparent in a range of forms, and Tokyo is no exception. Tokyo has undertaken several measures to mitigate these effects, including launching the world’s first urban cap-and-trade program. In addition, Tokyo is implementing a number of pioneering initiatives, such as measures to counteract storm surges and floods, as well as major earthquakes, and advancing urban planning to realize a more resilient city.

Are Great Teachers Born or Made?

Claudia Costin's picture



Did you have a favorite teacher at school? What made that teacher so special? Teachers are the single most important resource we have to ensure that children learn. But the reality is that many kids across the world don’t get a good quality education.


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