"A whistleblower is alleging for the first time in a yearslong lawsuit against BP that its massive Atlantis oil platform operation off the Louisiana coast faces present and imminent danger. Kenneth Abbott first complained in 2009 that BP had failed to keep required records of the design of pressure-relief systems and other safety mechanisms onboard the Atlantis."

"Several environmental groups are suing the government to curb pollution of the Mississippi River with fertilizers and other contaminants blamed with creating a "dead zone" the size of Massachusetts in the Gulf of Mexico."

"FRESNO, Calif. -- Nitrate contamination of drinking water is a pervasive problem in California's agricultural heartland and is bound to intensify in the coming years, according to a University of California, Davis study released Tuesday."

"The world's water supply is being strained by climate change and the growing food, energy and sanitary needs of a fast-growing population, according to a United Nations study that calls for a radical rethink of policies to manage competing claims.

"Freshwater is not being used sustainably," UNESCO Director-General Irina Bokova said in a statement. "Accurate information remains disparate, and management is fragmented ... the future is increasingly uncertain and risks are set to deepen."

"The average amount of ice covering the Great Lakes declined 71 percent over the past 40 winters, with Lake Superior ice down 79 percent, according to a report published by the American Meteorological Society.

'There was a significant downward trend in ice coverage from 1973 to the present for all of the lakes,' states the study appearing in the society’s Journal of Climate.

"WILLIAMSTOWN, Australia -- The whale conservation group Sea Shepherd is celebrating victory as Japan ends its whaling season with less than a third of its annual self-assigned quota."