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[[By 2050, over two-thirds of the world's population will live in cities]]
[[What do you think are the biggest challenges facing our ever growing cities?]]
[[Celso Ferreira - Mayor of Paredes, Portugal] The great challenge will not be]
[the growth of the cities but the refurbishment of the cities.]
[The big challenge is to retrofit the existing stock of buildings we have to make them]
[much more energy and water efficient. [Paul Bevan, General Secretary, Eurocities]]
[If we want to convince people to live in the city centers,]
[[Jacques de Chilly - Executive Director, Aderly] you have to convince them that it is safe.]
[[male speaker] Electricity needs to go green.]
[[Arne Mogren, Head of Climate Policy, Vattenfall] That means that we will have to build ]
[low or no carbon-emitting plants such as carbon capture and sequestration,]
[nuclear power, wind power, solar power, ocean power--you name it.]
[[Bevan] Cities contribute hugely to greenhouse gas emissions.]
[[Paul Bevan - General Secretary, Eurocities] City governments need to be]
[at the center of efforts to mitigate and adapt to climate change.]
[Many people think you have to either grow in your economy or work on the environment.]
[[Gustaf Landahl - Environment & Health, City of Stockholm] I think it can be combined.]
[[Chris Luebkeman - Dir., Global Foresight & Innovation, Arup]]
[We need to be looking at something we're calling the obviation of waste,]
[the obviation of waste of all kinds.]
[This is ranging from human waste to solid waste to liquid waste,]
[and we have to consider that waste is simply a resource which has been misallocated.]
[[Gustaf Landahl - Environment & Health, City of Stockholm] Transport in Europe]
[is the greatest increased emissions of Co2.]
[That's where we have to work.]
[[de Chilly] The main question we have to solve is really to try to increase the number of people]
[who are using the public transportation. [Jacques de Chilly - Executive Director, Aderly]]
[[Bernard Merkel - Head of Health Strategy, European Commission]]
[How do we develop health systems, health services, that can both prevent]
[people from getting disease, the chronic disease,]
[and how can we deal with this population afterwards?]
[[Nani Beccalli - President & CEO, GE International] It is very important to develop]
[all the healthcare IT that is helping the doctors and the hospitals]
[to achieve that with us, to achieve that goal]
[and all the technologies that can help in preventing rather than curing,]
[and then when you need to cure, to be much more effective in the cure.]
[[Build] [Protect] [Power] [Sustain] [Connect] [Nurture]]
[The green agenda is not about going back to the land, going back to villages.]
[[Paul Bevan - General Secretary, Eurocities] It's about]
[taking the advantage of concentration.]
[[Denis Tersen - Director General, Aid Paris Ile De France] Seventy or eighty percent]
[of the answer will be in technology.]
[[Nani Beccalli - President & CEO, GE International] You have to have a strong]
[cooperation between the governments and the private industry.]
[[Paul Bevan - General Secretary, Eurocities] It's important for city leaders]
[to develop that dialogue with the private sector to find new ways ]
