"Tokyo Electric Power Co. refuses to pay 10.55 billion yen ($106 million) for decontamination work around its crippled Fukushima No. 1 nuclear plant, saying it is under no legal obligation to do so."

"State and federal  investigators on Sunday began their  first in-depth look at the cratered epicenter of a fertilizer plant explosion that killed at least 14 people, including about 10 volunteer firefighters and the residents who tried to help them extinguish a fire at the site."

"Record-setting rains in parts of the Midwest have caused hundreds of flight cancellations and flooding, with one northern Illinois hospital evacuating patients due to rising floodwaters."

"WEST — In this small, shattered town 80 miles south of Dallas, residents awaiting word on missing loved ones spent most of Thursday finding hope in not knowing for sure.

"A BP executive testified the captain of the oil rig that exploded and sent millions of barrels of oil pouring into the Gulf of Mexico delayed activating the installation’s safety systems after the blast as a trial over the disaster ended."

"Debra White Plume and Marie Brush Breaker Randall stood in the middle of Highway 44, alongside more than 70 other members of the Oglala Lakota Nation. For hours, they didn't budge -- much to the chagrin of some tractor-trailer drivers bound for the tar sands region of Alberta, Canada."

With a tiny budget, the U.S. Chemical Safety Board is coming under fire for slowness in completing investigations on a large number of major accidents involving chemical hazards.

"A massive explosion at a fertilizer plant rocked the town of West, north of Waco, causing multiple casualties and leaving people trapped and buildings on fire.

Emergency personnel were bracing for the possibility of dozens of dead in the blast, which was reported at 7:53 p.m. and could be heard 45 miles away in Waxahachie.

Although authorities confirmed that at least five to 15 people had died, shortly before 5 a.m. they were still saying they did not have an official total. They have said they expect to find more bodies as they continue to search the area."

"WASHINGTON -- The Obama administration’s nominee to lead the Environmental Protection Agency declined on Thursday to answer questions about a controversial new guide that suggests public health standards could be relaxed dramatically in the event of a nuclear attack or accident."

"The fire that destroyed part of Chevron's Richmond refinery happened because weak state regulations allowed the company to monitor rather than simply fix potential problems, federal investigators said Monday."