1.ChooseaTopic
The explosion in numbers of people moving from country to city means there is an ever-increasing demand on services, infrastructure, housing, and transportation systems. Solutions are needed, fast.
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How can cities be built or upgraded to be ecologically responsible, with a low carbon footprint, and resistant to the growing threat and frequency of extreme weather conditions caused by global warming?
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Rapid population growth puts a huge strain on vital resources such as clean water, electricity and food. How will we power our homes, put food on the table and have access to clean water in the future?
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2.ChooseaBrief
Sao Paulo
Central and South America
How can sprawling cities like Sao Paulo with growing slum populations create safer and more affordable neighbourhoods?
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Delhi
Asia
What new ideas can help rapidly growing cities like Delhi reduce the number of slum dwellers?
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Beijing
Asia
Cities like Beijing have already taken steps to improve air quality. What more can they do to ensure cleaner air as they expand?
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Oceania
What innovative ideas can help developed cities like Melbourne cope with future waves of population growth?
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Singapore
Asia
What more can densely populated cities like Singapore do to cope with ongoing urban growth?
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Europe
What new ideas can help cities like Glasgow tackle high levels of homelessness?
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Amsterdam
Europe
What can popular tourist cities like Amsterdam, do to ensure they remain great places to live for residents?
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Europe
How can cities like Budapest, undergoing rapid regeneration, ensure that local communities share the benefits of major infrastructure spending?
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Europe
What can cities with poor air quality, like London, do to make their air cleaner?
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Europe
How can growing cities like Manchester, use smart technology and data to increase the quality of life and work for their inhabitants?
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Any region
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2.ChooseaBrief
Nairobi
Africa
What can cities like Nairobi do to encourage the development of a low carbon economy?
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New York
North America
What can cities like New York City do at a local level to make a meaningful contribution to combating global issues like climate change?
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Toronto
North America
What new ideas can cities like Toronto use to help increase the appeal of low carbon transport such as walking, cycling and public transport?
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Asia
How can coastal cities like Mumbai better protect their populations from the increased threat of flooding?
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Asia
Rapidly growing cities like Shanghai have already done much to reduce energy usage. How can they adopt innovations like gamification to improve energy efficiency further?
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Middle East
How can cities in the GCC, which have historically been heavily reliant on petrochemicals, diversify and embrace the benefits of solar energy to help combat climate change?
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Nominate your own
Any Region
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Durban
Africa
What can cities like Durban do to ensure they protect valuable natural environments as they continue to grow?
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Africa
How can cities such as Lagos build more affordable housing to keep pace with rapidly expanding populations?
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Central and South America
What can cities like Mexico City do to ensure supplies of drinking water?
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North America
What new ideas can help cities like Washington DC protect rivers and the natural environment from pollution?
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Asia
How can cities like Hong Kong provide the affordable housing they need to attract young talent?
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Asia
How can cities like Tokyo, with declining populations, attract the talent they need to remain competitive?
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Oceania
How can cities such as Christchurch, which have suffered major natural disasters, attract the people, investment and entrepreneurs they need to rebuild their economies?
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Europe
How can cities like Milan reduce the space required for car parking to make more room for green spaces or affordable housing?
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