"Gov. Rick Snyder said Monday his office will release thousands of pages of emails his staff sent or received related to Flint’s water supply switch and subsequent contamination dating back to 2011."

Michigan officials still say they cannot conclusively link an outbreak of Legionnaire's disease to Flint’s contaminated water supply, partly because sputum cultures were not collected from patients. But the possibility of a link was raised in internal government emails as early as October 2014, and state officials did not inform the public of the outbreak until last month.

"Negotiations between Enbridge Inc. and the U.S. Environmental Protection Agency have been extended again over a fine that could exceed $100 million for violations under the Clean Water Act in the pipeline operator’s 2010 Kalamazoo River disaster."

"Fiji began a massive cleanup on Monday after one of the most powerful storms recorded in the southern hemisphere tore through the Pacific island nation, killing 21 people, flattening remote villages and cutting off communications."

"State officials formally declared the Aliso Canyon gas leak capped Thursday, but uncertainty remains about the future of the facility and the residents who live around it."

"Railroads that haul oil trains through Washington state will need to report whether they could afford around $700 million to pay for a derailment and spill, under a recently finalized state rule."

"Federal regulators say corrosion on the outside of an oil pipeline was the cause of a major crude spill on the Santa Barbara coast last year."

"The Sooner State has switched strategies, limiting not just the depth, but amount of wastewater than oil and gas producers can pump back underground."