Los Angeles officials urge beachgoers to stay away from poisoned sea lions amid Fourth of July celebrations
Crews have hauled away most of the train cars that derailed and fell into the Yellowstone River after a bridge collapse, EPA says
Smoke will keep pouring into the US as long as fires are burning in Canada. Here's why they aren't being put out
California man sentenced to over 6 years in prison for $8.7 million cow manure Ponzi scheme, US attorney's office says
Smoke from Canadian wildfires is still wafting south. Conditions for some are expected to improve soon
People urged to stay indoors as smoke from Canadian wildfires continues to create unhealthy air quality from the Midwest to the Northeast
More than a third of the US population, from the Midwest to the East Coast, under air quality alerts from Canadian wildfire smoke
Nigeria investigates a dayslong oil spill from a Shell pipeline in a region already blighted by pollution
Planet-heating pollution from global energy sector continues to rise as fossil fuels dominate, report finds
Putting salt in tap water and drilling wells in parks: one country's desperate quest to avoid running dry
Human remains are found in California wilderness near search area for actor Julian Sands, authorities say
'That could've been us,' say father and son who pulled out of doomed Titan trip out of safety concerns
Transportation Safety Board of Canada and US Coast Guard will investigate fatal implosion of Titanic-bound submersible
One-fifth of water pollution comes from textile dyes. But a shellfish-inspired solution could clean it up
Titanic-bound submersible suffered 'catastrophic implosion.' The US Navy detected an implosion Sunday and told rescuers, an official tells CNN
Experts are searching for answers among debris of Titanic-bound submersible implosion that killed all onboard
Dutch intelligence warned CIA about alleged Ukrainian plot to attack Nord Stream pipelines, Netherlands' public broadcaster reports
CNN speaks to Ukraine's environment minister after a dam breach sparked fears of ecological catastrophe
After 100 days, Florida scientist 'Dr Deep Sea' resurfaces after breaking record for living underwater
Cities across the Northeast experience better air quality indexes as hazardous wildfire smoke subsides
Air quality over the US and Canada is slowly getting better. But the threat of more wildfires sending smoke across the border looms
A 'privilege to be out there': South African wildlife photographer Chris Fallows on his storied career
El impresionante momento en que se formó un manto de lava por la erupción del volcán Kilauea en Hawai
10-year-old girl survives more than 24 hours alone in the rugged Cascade mountains after getting lost while out with her family
Mira la impresionante erupción del cráter del volcán Kilauea en Hawai. Autoridades evalúan el nivel de peligro
Intense smoke fills NYC and forces a 'code red' in Philadelphia as millions from the East Coast to Canada suffer from Quebec's wildfires
As alert level is raised for Hawaii's erupting Kilauea volcano, park service shares the best spots to watch the spectacle from as close as half-a-mile away
A 'once-in-200 years' heat wave caught Southeast Asia off guard. Climate change will make them more common
US received intel from European ally that Ukrainian military was planning attack on Nord Stream pipelines, officials say
