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Articles on Sustainable cities

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Amazon workers sort packages for delivery on East 14th Street in New York City, July 12, 2022. Michael M. Santiago/Getty Images

How many Amazon packages get delivered each year?

The rise of e-commerce means billions of packages are delivered in the US each year. That creates traffic and pollution, but urban freight researchers are finding better way to get goods to customers.
A worker on an electric cargo-bike ferries goods in Strasbourg, France. Frederick Florin/AFP

Could cargo bike deliveries help green e-commerce?

On paper, swapping gas-guzzling trucks for bikes may sound like an appealing option for greening e-commerce. However, there are sizeable obstacles to implementing this in cities.
Interstate 980 cuts off West Oakland, Calif., at top, from other Oakland neighborhoods. Jane Tyska/Digital First Media/East Bay Times via Getty Images

Removing urban highways can improve neighborhoods blighted by decades of racist policies

Two urban policy experts explain why taking down highways that have isolated low-income and minority neighborhoods for decades is an important part of the pending infrastructure bill.
It’s back: Rush-hour traffic in Los Angeles on June 15, 2021. Carolyn Cole / Los Angeles Times via Getty Images

As urban life resumes, can US cities avert gridlock?

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.

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