"Research finds endangered Antarctic blue, fin and southern right whales struggling to recover despite hunting bans".

"A decades-long effort to clean up the Chesapeake Bay, the nation's largest estuary, is showing signs of success. But scientists now say progress could be hindered by a hydroelectric dam, located on the Susquehanna River in northern Maryland."

"When diving in the Gulf of Maine a few years back, Jennifer Dijkstra expected to be swimming through a flowing kelp forest that had long served as a nursery and food for juvenile fish and lobster. But Dijkstra, a University of New Hampshire marine biologist, saw only a patchy seafloor before her."

"A new study suggests warming sea temperatures could result in smaller fish sizes."

"CHURCH ROCK, N.M. – Angie Hood grew up in a remote valley tucked along the edge of the Navajo Nation. On hot summer days, Hood and her three siblings would tend to the family’s sheep, play football in a steep-banked arroyo and explore the piñon-studded mesas. Then, to cool off, they would splash in a pool of water that streamed from a pipe. At the time, the Hood children had no idea they were playing in radioactive waste."

"All along the U.S.-Mexico border, about 840,000 mostly low-income, immigrant Latinos have settled in colonias – cheap plots of land outside city limits without basic infrastructure such as water and sewage systems, electricity and paved roads."

"U.S. EPA Administrator Scott Pruitt appears in an agribusiness video urging farmers and ranchers to comment on the proposed repeal of the Obama-era Clean Water Rule, promoting the rollback of a regulation that he sued to stop as Oklahoma attorney general."

"CAMPTI, La. – Deep in the winding mass of crumbling back streets in Campti, Leroy Hayes sets a glass of water from his faucet in a patch of sunlight on the railing of his porch and watches specks of sediment float to the top."

"A proposal for the first oil and gas drilling in federal offshore waters of the Arctic took a step forward Thursday as regulators released a draft environmental impact statement, which reflects concerns about the effects of the project on marine life and local communities."

"VICTORVILLE, CA - Once a fighter jet training base critical to the Cold War, little remains of the former George Air Force Base but rows of dilapidated houses, a dismantled military hospital and dangerous chemicals from pesticides, jet fuels and other hazardous wastes that have poisoned the water for decades."