Outgoing US Homeland Security Secretary Janet Napolitano on Tuesday warned of a "major cyber event" in the future that would have a "serious" impact on American society.
Oil giant Shell put its controversial oil drilling plans for the Alaskan Arctic on hold through 2013, following multiple embarrassing problems with its two drilling rigs.
An "unprecedented" surge in debris from last year's Japanese tsunami is washing up on Alaska's coastline, environmentalists about to embark on a major cleanup operation said.
The US Coast Guard and oil company experts on Thursday used aircraft and undersea probes to monitor and search for the source of a 10-mile long oil sheen in the Gulf of Mexico.
A key US government report spreads the blame for the massive oil spill in the Gulf of Mexico Wednesday, citing a bad cement job and poor management decisions by BP and its subcontractors.
A simple phone call about dead sea otters washing up on the shores of Alaska after US nuclear tests lead to the birth of environmental organization Greenpeace four decades ago.
The crew of an oil rig that exploded in the Gulf of Mexico last year causing one of the worst oil spills in US history ignored warning signs a disaster was imminent, an investigator said Friday.
A blazing oil rig has sunk into the Gulf of Mexico, sparking fears of an environmental disaster two days after a massive blast that left 11 workers missing.