Low-cost air-ventilation systems have been installed in many classrooms across the U.S. to help reduce COVID-19 transmission.
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Air-ventilation upgrades have been badly needed in U.S. classrooms since long before the pandemic. Low-tech filtration systems that cost about the same as a textbook per student can make a big difference.
A road running through Kigali, Rwanda.
These results emphasise the high significance of the transport sector in Kigali’s air pollution levels and the need for further action to address air pollution from the sector.
The likelihood of commuting during both peak periods was slightly lower for telecommuters than for workers who commuted to work.
The potential benefits of telecommuting could quickly be erased because of the behavioural changes it brings about in the medium and long term.
It’s back: Rush-hour traffic in Los Angeles on June 15, 2021.
Carolyn Cole / Los Angeles Times via Getty Images
The pandemic offered a tantalizing look at city life with fewer cars in the picture. But with traffic rebounding, there’s limited time to lock in policies that make streets more people-friendly.
The 21st century promised self-driving cars, but will they actually materialize?
The promise of self-driving cars hasn’t materialized, and we’re no closer to them becoming a reality.
Left turns are dangerous and cause a lot of unnecessary traffic.
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Left turns are dangerous and slow down traffic. One solution? Get rid of them. New research shows that limiting left turns at busy intersections would improve safety and reduce frustrating backups.
Photo: Paul Tranter
Cities around the world are reducing traffic speeds and improving access to local services and activities by public transport, cycling and walking. They are now reaping the many ‘slow city’ benefits.
A tiger crosses a road in India’s Ranthambore National Park.
Aditya Singh/AFP via Getty Images
An infrastructure boom threatens endangered tigers across Asia. Scientists want to know more about how tigers behave near roads so they can design wildlife-friendly transportation networks.
One more lane won't fix Britain's congested motorways.
Black Lives Matter Plaza in Washington, D.C.
Tasos Katopodis/Getty Images
COVID-19 has underscored the value of parks and public spaces. A new survey shows that US mayors have gotten the message, but post-pandemic plans for public spaces remain largely undefined.
For every kilometre of road in Europe, you're likely to find one dead hedgehog.
COVID led to commuting time savings worth over $2,000 a year for each driver and $5,000 per public transport user. But as workplaces reopen, we may need road user charges to keep traffic flowing.
An estimated 29 million mammals are killed each year on European roads.
Roads and traffic are causing massive mortality of wild animals worldwide and the road network is rapidly expanding. Can the wildlife death toll be stopped?
In the US, the average time spent waiting in fast food drive-throughs has risen by half a minute during the pandemic.
Staff and customers with underlying health conditions are likely to be most at risk at drive-through windows.
Motorways were once seen as a way of reducing congestion in our towns and cities. But the more we build, the more they fill with drivers.
Government action is needed to cut car dependency.
New priorities in Boulder, Colo.
City streets were built to accommodate cars, but the COVID-19 pandemic has scrambled our transport needs. Many cities are moving to make streets more people-friendly and less car-centric.
Road accidents in Ghana should be considered a public health concern.
Some people think road crashes are destined to happen and drivers can do little to prevent them.
Harvest Kitchen restaurant, on Manhattan’s Upper West Side, making use of New York City’s new policy of opening streets to walking, biking and dining.
Ron Adar/SOPA Images/LightRocket via Getty Images
First trains, then cars and, now, COVID-19 have all spurred New York to reimagine how its scarce space should be used – and what residents need to survive.
Some new habits we’ve seen emerging during the pandemic could help us solve tricky problems like traffic congestion, which have challenged our cities for a long time.