1 . One of the most important changes cities must make to improve life in them is to separate people from their cars. Even when you have a strong public transport system in moving people between population hubs, the last mile - that section between the railway station and someone’s home, for example - can lead to car use if it’s considered too far or too dangerous to walk.

The idea of a low-traffic neighbourhood (LTN) - where cars are banned from quieter ‘rat runs’ (偏僻小路) to keep them on the major routes - has taken off in parts of the UK. LTNs attempt to filter out cars from residential streets using bollards, camera-controlled gates or even planters full of flowers placed across the road, while pedestrians, cyclists and emergency vehicles can still pass.

Analysis for the active transport charity Sustrans found that “driving a mile on a minor urban road is twice as likely to kill or seriously injure a child pedestrian, and three times more likely to kill or seriously injure a child cyclist, compared to driving a mile on an urban A-road,” and that heavy car traffic in residential areas can lead to a rise in social isolation. LTNs reduce this danger, leading to a three-fold reduction in injuries, and have been shown to increase the number of visitors to local businesses.

Also popular are e-scooter hire trials, which are taking place in towns and cities including Middlesbrough, Bristol and Chelmsford. The trials see gaggles of electric scooters available to be picked up from street corners. The scooters are hired using an app and then, once they’re finished with, parked elsewhere inside the trial area, where they’re collected and recharged by the hiring company. A Department of Transport report on e-scooter use found they were “widely perceived to have environmental and convenience benefits,” but suffered from comparisons to children’s toys.

But that’s not all. The world’s first hub for demonstrating electric air taxis and drones opened in Coventry earlier this year. The taxis and drones based at the hub all take off and land vertically like helicopters and are being used to travel short journeys or deliver cargo.

Weaning us off our car addiction is one of the more difficult barriers standing between us and healthier cities. The first step that needs to be taken will be to tackle the dominance of the car.

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3 . Educational programs often use fear-based messaging and films of crash scenes to reduce risky driving behavior among young people. But does this “scary” approach work? A new study suggests that fear-based messaging fails to reduce risky driving behavior, while fear-based Virtual Reality (VR) films showing a violent collision may actually lead young drivers to take more chances behind the wheel.

A team of psychologists in Belgium conducted a study of 146 students who had been legally driving for less than five years. The researchers examined the impact of both content (fear vs. positive) and delivery mode (2D vs. VR) of driver safety intervention programs.

By showing a serious consequence such as death, fear-based driver education films attempt to arouse a sense of fear and persuade young people to drive more carefully. Positively framed films take the opposite approach, using humor and modeling safe driving behaviors that result in positive consequences.

Three tests were used to analyze the risk-taking behavior of the young drivers before and after participating in the intervention program. One was a questionnaire. Another was a test on traffic, which asks participants to watch video clips of driving situations and choose whether they view a situation as too risky, for example, choosing whether to pass another car in icy conditions. A third test was used to measure the level of emotional arousal (such as feeling afraid) after watching a film.

The results showed that participants who viewed the fear-based VR film reported riskier driving behaviors afterward, while those who viewed a positively framed VR film exhibited the greatest reduction in risky driving behavior. This finding supports other research that has shown that exposing participants to an extreme collision tends to activate defensive mechanisms, such as paying attention for a shorter time, disengaging, rejecting a message, and an increase in risky behaviors.

“Fear appeals have been used in many health and environmental campaigns, such as smoking and anti-drug,” says Dr. Cutello of the research team. “Further experimental research is needed to determine whether the use of fear is effective.”