"A one-of-a-kind pod of about 200 'resident' eastern Pacific grey whales, which spends every summer feeding near Vancouver Island while the 20,000 other members of the species continue their epic annual migration between Mexico and Alaska, could hold the key to the evolutionary history of the majestic mammal -- and to its future in the age of climate change -- according to a new study."
 

"The National Oceanic and Atmospheric Administration is taking an inventory of more than 30,000 coastal shipwrecks — some of them casualties of the 1942 Battle of the Atlantic — and identifying those that pose the most significant threat."

Lake Ontario, the farthest downsream of the Great Lakes, suffers from water quality problems.

"Small fish living in a region of the Pacific Ocean where floating trash collects in a huge, slowly swirling bowl eat as much as 24,000 tons of plastic waste each year, scientists have found."

"The 1,300-acre, man-made [Gaillard Island off Alabama's Gulf coast] is hosting more than 50,000 birds this summer as nesting pairs gather to raise babies. That number would be considered high in any year, but it's a particularly surprising sight a year after oil from the BP spill fouled surrounding waters."

"The world has seen seven global cholera outbreaks since 1817, and the current one seems to have come to stay. Rising temperatures and a stubbornly persistent, toxic bacteria strain appear to have given the disease the upper hand."

"A federal appeals court handed Georgia an enormous victory in long-running, tri-state water litigation yesterday, overturning a decision by a federal judge that could have sharply curtailed the availability of water in Atlanta beginning next summer."

"U.S. EPA warned of the potential dire consequences of legislation being fast-tracked through the House that would give states final say on rules concerning water, wetlands and mountaintop-removal mining."