"In communities across the U.S., water contains levels of fluoride some experts say could be harm developing brains."

"The growing invasion of sargassum in the Caribbean has impacted the quality of life of the islands' residents. But local governments have failed to coordinate an international response to problem."

"Scientists studying the sperm whales that live around the Caribbean island of Dominica have described for the first time the basic elements of how they might be talking to each other, in an effort that could one day help better protect them."

"In a world growing increasingly accustomed to wild weather swings, the last few days and weeks have seemingly taken those environmental extremes to a new level. Some climate scientists say they are hard pressed to remember when so much of the world has had its weather on overdrive at the same time."

"Tribal community plans a village that’s ‘as resilient as possible’"

"The new rule builds on a landmark 2015 rule prohibiting coal ash from being permanently stored in places where it comes into contact with groundwater. This was meant to reform the widespread practice of creating so-called coal ash ponds where the toxin is stored in a wet slurry. While at that time the EPA only applied the rule to coal plants in active use, the new rule will require the cleanup of hundreds of “legacy” coal ash ponds."

"A recent investigation has revealed evidence that China's distant-water fishing fleet, the world's biggest in scale, commits environmental and labor abuses in the southwest Indian Ocean off the coast of East Africa."

"Its growth driven to epic levels by climate change and fertilizer runoff, sargassum puts dozens of species — and people — at risk."

"For several years now, one question has held the key to understanding just how much we should worry about the hundreds of tons of DDT that had been dumped off the coast of Los Angeles." "Now, in a highly anticipated study, researchers have identified tiny zooplankton and mid-to-deep-water fish as potential links between the contaminated sediment and the greater ecosystem."