"Stretching along the Queensland coast, the reef is an underwater wonderland home to thousands of different fish and coral species. But it is facing multiple threats."

"Federal laws meant to protect drinking water require fracking companies to get a permit before using diesel fuel in the drilling process."

"This year's early count of sea turtles nesting on Florida beaches is encouraging, though there are many unknowns in the numbers."

"The signs appear about 200 miles north of Los Angeles, tacked onto old farm wagons parked along quiet two-lane roads and bustling Interstate 5."

"During the late summer and early fall, the water level on the Great Lakes usually drops several inches. This year, three of those lakes, Superior, Michigan and Huron, have seen the opposite happen - rising water levels. Joining us to talk about why that is is Drew Gronewold. He's a hydrologist at the National Oceanic and Atmospheric Administration. He works in the Great Lakes Environmental Research Laboratory."

"MOORINGSPORT, La. - Cleanup crews continue to mop up a 4,000-barrell oil spill into a four-mile stretch of Tete Bayou northwest of Shreveport."

"It sounds almost superhuman to try straighten a river and then recarve the curves."

"TransCanada Corp.’s $11-billion Energy East pipeline project has run into another stumbling block in Quebec as public opposition mounts over a possible threat to the endangered beluga whales in the St. Lawrence River."

"A disabled Russian cargo ship was en route to port in British Columbia for repairs and the rescue operation was declared officially over Sunday. Now the debate begins."

"Climate change and invasive mussels may have made Lake Erie a more inviting host for toxic bacteria in recent years, suggesting that ambitious goals are needed for reducing phosphorus runoff that feeds large blooms like the one that forced a temporary tap water shutdown in and near Toledo, Ohio, scientists said Wednesday."