"They are not cute and cuddly, but the smalltooth sawfish is getting more federal protection in Southwest Florida waters."

Many kids and adults aren't getting enough Vitamin D. The solution may be as simple as spending more time in the sun.

"Environmental groups are speaking out against the man President Barack Obama has chosen to run the Office of Surface Mining, which has jurisdiction over mountaintop removal coal mining."

"Gov. Arnold Schwarzenegger sent a letter to Secretary of the Interior Ken Salazar and Secretary of Commerce Gary Locke asking them to reverse the federal government’s restrictions on water use intended to protect fish in the Sacramento-San Joaquin River Delta."

"Geothermal startup AltaRock Energy Inc on Wednesday said it has suspended its demonstration project in California due to geologic anomalies."

"Duke Energy’s departure from the star-crossed American Coalition for Clean Coal Electricity seems to have less to do with the viability of clean coal than with the viability of the groups that promote it."

"Environmental groups presented a federal official with more than 19,000 signed letters and postcards Tuesday asking the U.S. government to set stricter rules to prevent pollution in the Chesapeake Bay."

"San Francisco Bay and the delta are dying. Salmon runs are collapsing. Droughts are getting worse. And big agriculture still wants more water."

"President Barack Obama is creating a new federal interagency task force to coordinate the "economic and environmental resiliency" of Louisiana and the rest of the Gulf Coast region."

"Wolf hunting season opened Tuesday in the state of Idaho."

"The level of inorganic mercury in the blood of American women has been increasing since 1999 and it is now found in the blood of one in three women, according to a new analysis of government data for more than 6,000 American women."

"The Station blaze [near L.A.] has destroyed more than 50 buildings and burned more than 105,000 acres of mountainous brush. Little hope of containment is seen as long as hot, dry conditions continue."

"Indiana and Kentucky are the nation's top two states for coal ash ponds — and many of the holding basins for the toxic mess were built without the guidance of trained engineers, according to new information from the U.S. Environmental Protection Agency."

"The shipping industry is an invisible and nearly unregulated environmental disaster."

A rare chance for people to walk through the mile-long tunnel that gives entrance to Zion National Park was part of the park's centennial celebration.