Avid sailor and educator Mary Crowley is recruiting help to clean up the North Pacific Trash Gyre, a 'garbage patch' of plastic and other trash in the middle of the Pacific Ocean.
The magnitude 7.2 Mexico earthquake on Sunday, centered in northern Baja California, did not inflict nearly the damage that the 7.0 earthquake did in Haiti. Credit quake-resistant building standards and, perhaps, the distance of population centers from the epicenters.
A report Tuesday on the latest climate-change research shows emissions rising quickly and ice caps melting faster than projected. The report comes amid a controversy over hacked scientists’ e-mails that some say point to a global warming hoax.
Complex data, distilled and delivered in real time, could shed light on a global issue.
Readers write about how the US Navy impacts marine mammals, why some Somalis have turned to piracy, Obama's role in Europe, and the Taliban in Pakistan.