Photo: GPS-Equipped Pigeons Enlisted as Pollution Bloggers



Pigeons carrying high-tech backpacks that contain pollution sensors, GPS units, and stripped-down cell phones have been enlisted to create accurate, detailed urban pollution maps. Now scientists are taking the concept of small, low-cost sensors all over the world for their air-pollution research.

Photograph courtesy PigeonBlog


NEWS FEEDS    After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed. After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed.

Get our news delivered directly to your desktop—free.
How to Use XML or RSS

ADVERTISEMENT

NATIONAL GEOGRAPHIC'S PHOTO OF THE DAY

50 Drives of a Lifetime

National Geographic Traveler has scoured the globe for the world's most beautiful, interesting, and off-beat road trips. Dive in to get drive directions, quizzes, photos, and more.