From the article:
“If pigeons wrote their own blogs, they might talk about where to score breadcrumbs or find prime roosting spots. Now, with the help of tiny high-tech backpacks, pigeons really have become bloggers—but they’re posting messages about California smog.”
Read article at National Geographic News
TPE Link - GPS; Air pollution and pressure systems
Image: Sunset on a smoggy summer day in Los Angeles during the early 1990’s. (Courtesy NASA JPL)
Posted in Air Pollution, GPS
