"Documents unveiled by a Freedom of Information Act request show agencies’ behind-the-scenes critiques of the proposed Pebble Mine."

"The territorial government is on the hook to clean up the Wolverine mine after its owner went bankrupt. A system in place to secure funds for remediation throughout a mine’s life should have prevented this scenario, but it didn’t — and that doesn’t bode well for future mine clean-ups".

"Luminous yellow and blue fish dart through the fragments of coral hanging from rows of pipes anchored to the seabed in Guanahacabibes, in western Cuba, while scientists in diving gear annotate their observations on waterproof clipboards."

"Off the coast of Florida, testing whether the Gulf Stream can produce carbon-free electricity".

"It has long been our planet’s greatest and oldest murder mystery. Roughly 445 million years ago, around 85 percent of all marine species disappeared in a geologic flash known as the Late Ordovician mass extinction. But scientists have long debated this whodunit, in contrast to clearer explanations for Earth’s other mass extinctions."

"In an effort to move forward a $576 million Anderson Dam Seismic Retrofit Project, the California State Assembly passed AB 3005 on June 8, the Expedited Dam Safety for Silicon Valley Act, facilitating the construction of the project."

"The Trump administration is preparing to open the door to oil and gas drilling off Florida’s coast — but will wait until after the November election to avoid blowback in a swing state whose waters both parties have long considered sacrosanct, according to four people familiar with the plan."

"Freshwater diversion projects that have divided environmental advocates are intended to save the coast but may imperil dolphins."

"Enbridge has produced legally acceptable plans for dealing with a potential spill from oil pipelines that cross a Michigan channel linking two of the Great Lakes, according to a federal appeals court."

"A $139-million underwater box the size of six city blocks is being built to contain an underwater contaminated zone in Hamilton’s Randle Reef for some 200 years. While critics point out the answer to the steel town’s historic pollution shouldn’t be found in making more steel, others say the technique should be considered for other toxic sites in Canadian waters".