Stories by Karen Lightman

Expert Voices

How cities are cutting down on light pollution

View of the U.S. at night with city lights.
View of the U.S. at night. Photo: NASA via Getty Images

As cities invest in technology upgrades, they have an opportunity to reduce light pollution, which impacts 99% of people in the U.S. and Europe.

Why it matters: Pollution is typically thought of as air, water and soil contamination, but light pollution — including from streetlights that cast excessive light — also harms the environment, human health and the stability of the global ecosystem.

Expert Voices

How automation could make airports more efficient

Passengers queue up outside a Transportation Security Administration checkpoint at Ronald Reagan National Airport
A security checkpoint at Reagan National Airport. Photo: Chip Somodevilla/Getty Images

Implementing automation at airport bottlenecks could expedite drop-off, check-in, security, and boarding for flyers and employees.

Why it matters: Between 2016 and 2019, the number of passengers using U.S. airlines has increased by 10.9%. Last year, 1 in 7 travelers in the U.S. missed a flight due to long security lines.

Expert Voices

How AVs could help respond to disasters

Illustration: Rebecca Zisser/Axios

Weather-related natural disasters are on the rise, and AVs could become powerful tools for activating response systems and for collecting and sharing data, news and warnings.

Why it matters: Connected AVs could contribute to new emergency response networks by disseminating critical information, routing people away from disasters and possibly even dispatching emergency AVs on optimized routes.