"A common ingredient in human laxatives and in the controversial dispersants that was used to break down oil from the BP Deepwater Horizon oil spill is still being found in tar balls four years later along Gulf Coast beaches including Perdido Key."

"The WWF contracted RPS Applied Science Associates to model 22 different oil spill scenarios and map the spread of the oil, potential impact on the water and shoreline, and interaction with sea ice, wildlife and the surrounding ecology."

"The last thing Rodney Donald was expecting during his family’s vacation on the Chesapeake Bay was to almost lose a leg to an aggressive bacteria growing in the brackish waters."

"Geothermal energy — tapping into heat deep underground and using it to produce power — is sometimes described as a forgotten renewable. It languishes in the shadows of better-known sources like wind and the sun, and in 2011 it accounted for less than 1 percent of electric power worldwide, according to last year’s World Energy Outlook."