Cities are the lifeblood of our planet; we need to redefine them and change the way we live as population increases. Former Homeland Security Secretary Michael Chertoff, urban designer Mitchell Joachim and Stanford's Paul Romer will discuss.
Challenges and Opportunities (01:33)
We need to build infrastructure to accommodate growing population; if we manage this challenge correctly, we will improve people's lives.
Real Time Crime Center (03:11)
New York City's cutting edge technology aggregates and centralized information, making it a world leader in law and order. The hope is that it can decentralize once again, putting the database on every officer's laptop.
Limits of Technology (01:09)
Technology has limits; human judgment is still important. Joachim is suspicious of New York's new technology.
Cape Town Crime Reduction (01:57)
Helen Zille, former Cape Town, South Africa, mayor, used cameras and reduced crime 90%. People are so relieved they don't mind the loss of privacy, she says.
Cameras in London (02:42)
In London, 1 million cameras monitor people. Critics say they create an illusion of safety; a police report shows less than one crime solved per year for every thousand cameras in London.
Coming Backlash (01:20)
Law professor Jeffrey Rosen says Google believes it will be possible within 5 years to link cameras to follow and search a person's activities. This will create backlash.
Cameras and Terrorism (01:45)
Chertoff says cameras caught the 7/05 London bombers; Rosen says there is no evidence police solve more crimes using cameras.
Security Threatens City's Ideals (00:57)
Joachim fears that security technologies destroy the ideal of a city as space of event, encounter and pleasured motion. We need to build strong communities to fight crime.
Traffic In Emergencies (02:34)
After previews for segments about futuristic stackable cars, Chertoff tells us Hurricane Katrina taught us to plan and coordinate extremely heavy traffic, lessons that were used for Obama's 2009 inauguration.
Solving Traffic (03:20)
Congestion pricing gets drivers to use roads more efficiently. MIT researchers conceptualize foldable, stackable electric cars; other possibilities include cars that communicate with each other and the road.
Stackable Cars (01:53)
In stackable cars, wheels talk to each other, other cars, and the entire city grid. Enforcement of rules is a cheaper solution for poor countries. Such cars seem unsafe as long as there are bigger cars on the road.
Stackable Cars and Suburbia (01:39)
Chertoff argues stackable cars aren't compatible with the suburban lifestyle many want; Joachim counters that people can drive regular cars to the city and stackable cars in the city.
Energy Costs (01:39)
Joachim calls stackable cars make a smart grid on wheels; they are about powering our city, not just moving around it. Energy costs could ruin poor countries who subsidize energy.
Green Buildings and Growing Food (02:38)
Buildings create 50% of greenhouse gasses. We need to change architecture, making them more like plants and perhaps growing food in them. Genzyme's headquarters building is a self-sustaining structure generating its own energy.
Masdar City (01:09)
Masdar City in Abu Dhabi, under construction, is to be waste-free and carbon-free. We need an agricultural landmass the size of Brazil to feed a growing world; cities may be the answer.
Skepticism of Vertical Farming (01:39)
Romer is skeptical of vertical farming, expecting continued improvements in productivity of traditional agriculture; Joachim says vertical farming cuts transportation; Chertoff says it takes away living quarters.
Benefits of Density (03:07)
Ron Sims, Deputy Secretary of HUD, wants large, energy-efficient cities rather than sprawl. Romer says sprawl doesn't threaten to fill the world, but density allows us to share. Chertoff worries about cities' resilience to cyber-attacks.
Smart Grids (02:59)
Grids are overloaded, leading to blackouts. Boulder, CO, built the world's first smart-grid city, a digital network integrating energy, power-routing and predictive technology to use resources in the most efficient way.
Costs of Smart Grids (02:04)
Boulder's smart grids was privately funded; they would cost hundreds of billions to implement across the country, but supporters argue they are worth it.
Vulnerability of Smart Grids (01:20)
Chertoff fears attacks on smart grids, and information tracking. Romer says smart grids collect the information we need to reward good behavior, encouraging power use during non-peak hours.
Panel Summarizes Thoughts (02:18)
Romer says the rules we use to organize cities will make the difference. Joachim says ecology is the highest priority. Chertoff argues for cost-benefit analysis.
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