"In Florida, the official state animal triggers mixed feelings. The Florida panther has been on the endangered species list for nearly 50 years. From a low point in the 1970s when there were only about 20 panthers in the wild, the species has rebounded."

"A CSX train car carrying hazardous material derailed and caught fire in the middle of the night in eastern Tennessee, forcing the evacuation of thousands of people and sending dozens to the hospital with respiratory issues and nausea."

MARYVILLE, Tenn. -- "A CSX tanker car carrying acrylonitrile caught fire just after midnight Thursday morning forcing the evacuation of more than 5,000 people in an expanding evacuation zone last listed as a 2-mile radius around the site."

"New revelations that a long strip of protected mangrove trees were illegally razed amid preparations for the 2016 Miami International Boat Show has outraged Florida environmentalists."

"Duke Energy’s plan to dig up 12 more coal ash ponds, announced Tuesday, means the company now aims to excavate 24 of its 36 ponds in the Carolinas."

"A worm called one of the world's "worst" invasive species by conservationists has been found in the United States for the first time, an international team of researchers announced on Tuesday."

"Florida is moving toward expanding cattle grazing, hunting and other commercial activities in state parks to help make them self-sufficient, an idea raising alarms among conservationists."

Florida legislators finally reached a deal late Sunday on how much money should be spent conserving land, but the final amount drew protests from conservation groups who argued lawmakers were ignoring the will of voters."