Environmentalists say Florida officials are thwarting a 2-year-old law banning the spreading of sewage sludge on the Everglades.

The Oregon legislature Monday sent to the governor a bill that would phase out the longstanding practice of burning off agricultural fields growing grass seed.

"The Environmental Protection Agency on Monday made public a list of 26 communities in 10 states where residents are potentially threatened by coal ash storage ponds similar to one that flooded a neighborhood in Tennessee last year."

Conservative Christians -- the Republican party's "base" -- are trying to galvanize opposition to the House-passed climate bill.

"Interior Secretary Ken Salazar announced measures on Monday to hasten the development of solar energy on Western public lands."

"There’s a kind of blue and green scum that can bloom in lakes and ponds across the nation. This scum is called cyanobacteria. For years, scientists have known that this stuff can produce dangerous toxins. Amy Quinton reports now researchers are studying whether there’s a link between cyanobacteria and Lou Gehrig’s disease."

"The Energy Department issued new standards for lighting that would save large amounts of energy by boosting the efficiency of fluorescent tubes common in office buildings and reflector lamps used in recessed fixtures in homes and retail stores."

Engineering projects hope to save Louisiana's shrinking coastal wetlands by diverting sediment from the Mississippi River -- but a new study says there is not enough mud in the Mississippi to do the job.

"The Obama administration on Monday proposed to strengthen a key air pollution health standard to better protect children and people with respiratory illnesses."

"California can develop its own standards on greenhouse gas emissions from cars and trucks, though it agrees not to toughen the standards before 2017. Automakers agree to drop lawsuits."

Rebecca Williams reports biologists are trying to figure out how to keep panthers and people from running into each other.

Bark beetles "munching and killing pine trees by the millions from Colorado to Canada" add a dangerous unknown to predictions for the coming wildfire season.

The landfilling of 3.9 million tons of coal ash from a spill at TVA's Kingston Fossil Plant may or may not be a boon to one of Alabama's poorest counties.

Ranchers and farmers are rebelling against a federal plan to tag livestock with microchips and track them birth to slaughterhouse for disease control and food safety.

The century of mining that built Treece, Kansas, has left it a toxic ghost town. EPA says the residential areas have been cleaned up, but Sen. Pat Roberts is poised to file a bill to buy out residents if EPA does not spend stimulus money to do so.