Fireworks can make bad air quality even worse. For some cities, the answer is drones
After days of smoky conditions caused by Canadian wildfires, some U.S. cities are looking to play it safe this Fourth of July with innovative alternatives to their fireworks displays.
(Image credit: Romain Perrocheau/AFP via Getty Images)
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https://www.npr.org/rss/rss.php?id=1019Technology : NPRLatest technology news and breakthroughs in technology, science, and industry. Download the NPR Technology podcast and Technology RSS feed.https://media.npr.org/images/podcasts/primary/npr_generic_image_300.jpg?s=200Technology124Emily Olson