Articles on Pedestrians

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Beijing residents with a variety of approaches to urban air pollution. Bryan Ledgard/Flickr

Can facemasks help reduce the negative health impacts of air pollution?

In recent years the number of motor vehicles – and the pollution they generate – has grown astronomically, leading some citydwellers to wear facemasks in the hopes of protecting themselves. So do they work?
Sales of electric vehicles are growing fast, especially in Europe. Sopotnicki/Shutterstock.com

How electric vehicles could take a bite out of the oil market

Shifting to plug-in cars wouldn't be enough to max out global oil consumption by 2040. But it could help make that happen if cities pitch in and ride-sharing doesn't crowd out public transportation.
Racewalkers turn a corner – keeping one foot on the ground – during the women’s 20-km event at the 2012 London Olympics. Maureen Barlin/flickr

Don’t run (and don’t laugh): The little-known history of racewalking

Racewalking has been part of the Olympic Games since 1904, but gets little respect in the United States. That might change if Americans knew a little more about it.

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