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How to manage urban expansion in mega-metropolitan areas?

Philip E. Karp's picture
 


As the world becomes increasingly urbanized, the number of megacities is growing rapidly.

Today there are 37 cities worldwide with populations of greater than 10 million, and 84 with populations greater than five million. More than three quarters of these cities are in developing countries. Together with their surrounding metropolitan areas, these cities produce a sizable portion of the world’s wealth and attract a large share of global talent.

These megacities face a series of common challenges associated with managing urban expansion, density, and livability—in a manner that takes advantage of the benefits of productive agglomerations, while mitigating the disadvantages of such high degrees of congestion and urban density.

Moreover, like other metropolitan areas, megacities face challenges of effectively coordinated planning, infrastructure development, and service delivery across multiple jurisdictions. Indeed, the New Urban Agenda issued at the Habitat III conference in 2016 identified metropolitan planning and management as one of the most critical needs to ensure sustainable urbanization.

Transforming urban waterfronts

Fen Wei's picture
HafenCity, Hamburg. Photo Credit: ELBE&FLUT / Thomas Hampel at http://www.hafencity.com
HafenCity, Hamburg.
Photo Credit: ELBE&FLUT / Thomas Hampel at http://www.hafencity.com
“The waterfront isn’t just something unto itself. It’s connected to everything else,” said Jane Jacobs, a prominent urbanist.
 
This connection is twofold; it refers to the relationship between cities and their waterfronts – as ever-changing as cities themselves.
 
Evolving from its past definition during the industrial era as a city’s service yard, the urban waterfront has, in recent decades, taken on new meanings.

On one hand, the waterfront is playing a more significant role in transforming the urban fabric of a city or even reshaping a city’s identity.
 
On the other hand, successful urban waterfronts have also demonstrated how city resources – such as available land, cleaner water, historic preservation, and urban revitalization – can be unlocked and realized, and how these elements can be integrated into the city and public life.
 
[Read: Regenerating Urban Land: A Practitioner's Guide to Leveraging Private Investment]

Why I Love Technology

Jeggan Rajendram's picture

"Phones today are more powerful than computers I used as a kid, apps become increasingly awe-inspiring and problems are solved everyday using technology."

Technology excites me so much I get goosebumps just thinking about how cool it is, and how much cooler it will be with every passing year.

When we started the first daily deals company in Sri Lanka, we took the risk of starting a large scale online business in Sri Lanka and it wasn't without its problems. Many questions came up; isn't the internet penetration too low? Isn't credit card penetration too low? Wouldn't people be afraid of buying things online?

Connecting Sri Lankans to Prosperity

Eliana Cardoso's picture

The presidential election in Sri Lanka this January resulted in an easy win for the incumbent Mahinda Rajapakse. The end of the long lasting civil conflict with Tamil separatists, strong remittances and an IMF agreement boosted investors’ confidence. Foreign exchange reserves recovered from about one month of imports in the first half of 2009 to six months of imports by January 2010.

Now that the war is over and the global economy recovering, the government needs to grasp the opportunity to do the right things and avoid hurting confidence in the country’s stability, which is key to the rise in foreign investment and tourism.

The bad news is that the withdrawal of GSP Plus by the European Union countries can hurt industrial exports. The EU decision is worrisome. Thanks to the increase in manufacture exports from 6 percent of total exports in 1975 to 60 percent in 2005, firms began to lead Sri Lanka‘s connectivity with the rest of the world.