What is congestion charging? Congestion charging or pricing is the practice of setting up cordon tolls around the city on a large-scale to charge entrants for entering during peak hours.
Beijing announcement illustrates the shortcomings of how we look at the future of the global transportation system By Tali Trigg On November 7th 2013, the Beijing city government announced sweeping changes to car ownership in the near future  that fundamentally shifted the future outlook for the citys and perhaps the countrys transportation system.
How Hong Kong and Singapore Went from Fishing Villages to Urban Lodestars I'm writing this on a flight from Hong Kong where news has just broken that the father of the Singaporean city-state Lee Kuan Yew has passed away.
I can't seem to go a day without hearing someone say, "Get to Cuba before all the Americans get there." What exactly is it that Americans will change once they get to Cuba?
China became a mostly urban country in 2011, the service sector became the biggest in 2013, and in 2015 Chinese cities will try to reverse negative trends of sprawl and pollution.
A recurrence of the 1859 solar superstorm would be a cosmic Katrina, causing billions of dollars of damage to satellites, power grids and radio communications
Looking back at the surveillance all around us--from wiretapped phones to security cameras
Scientific American editor Steven Ashley test drives a car that may be the future of automotive transportation--if cost, technology and infrastructure problems can be resolved
But now comes the hard part: making phones, PCs and other mobile gadgets that can take advantage of the broadcast spectrum's strong signals
Carbon storage has to expand rapidly, or coal burning has to cease, if the world is to avoid dangerous climate change
Engineers are deploying sensors to monitor the condition of some of the world's most famous bridges
The Pentagon ramps up efforts to field directed-energy beam weapons for land, air and sea
New, improved human-operated and robotic submarines promise to give scientists access to most of the ocean floor, a place less explored than the moon or Mars
I was once caught staring at energy efficiency guru Amory Lovins' pocket protector, and without blinking he said, "Yes, it's full frontal nerdity." There was something refreshing about that sentiment, so let me similarly make my intentions clear: in joining SciAm Blogs, I hope to bring you some unnoticed news and engage you on a [...]
In today's installment of Map Monday, I wanted to focus on air pollution as mapped by Hsu et al and The Atlantic. Go to this link to see the full interactive map, which details air pollution by country and city.
Children’s lungs are growing substantially stronger as air pollution in Southern California decreases. The Los Angeles area had struggled with air pollution for decades.
I’ve always found gyms a bit strange. Think about it: Dozens of people sweating in close proximity, running on conveyor belts going nowhere, lifting and dropping heavy objects for no reason.
It seems you can't read an article about new mobility or the sharing economy without stumbling across Uber; the mobility service that sprung up in 2009 to only five years later become valued at more than Avis, Hertz, or Sony.
Employing novel engineering, materials and psychology, a Swiss team will attempt to soar coast to coast this summer
Ferrying space shuttles across the country is just one of the very odd jobs given to the workhorse jumbo jet