"Have oil and gas companies injected toxic materials into Texas groundwater sources? State regulators don't know, even though they agreed in 1982 to track injections into zones that could hold underground sources of drinking water, according to records obtained by The Texas Tribune."
Data journalism is in again. Some new databases, including EPA's on beaches and USGS' on dam removals, can help environmental reporters find and investigate local stories.
Embroiled in a growing scandal about efforts to cover up the science on the threat posed by coal ash to North Carolinians' drinking water, Duke Energy is asking a court to hold a hearing to discover the source of a document leaked to the Associated Press.
"A drop in the food supply this summer, possibly tied to warmer Gulf of Maine waters, leads to the worst survival rate ever tracked on Machias Seal Island."
"Federal regulators are proposing to ban swimming with dolphins in Hawaii, a move that could imperil one of the Aloha State's most popular tourist delights and the industry that has sprung up around it."
"President Barack Obama on Tuesday pledged his commitment to a full recovery from floods that struck south Louisiana this month, leaving 13 people dead and thousands more displaced."
"A group of mayors from Canada and the U.S. is trying to challenge a recent decision allowing an American city to draw water from the Great Lakes, arguing that it sets a dangerous precedent."
"CROW RESERVATION, Mont.— Alisara Knaub saw firsthand how contaminated water can upend your life."
"The Green Party presidential candidate has described the flooding in the US state of Louisiana as 'a crisis of climate change'."
"President Barack Obama is making his first visit to flood-ravaged southern Louisiana as he attempts to assure the many thousands who have suffered damage to their homes, schools and businesses that his administration has made their recovery a priority."
Advertisement 
