"Scientific survey found all reefs had been affected by high sea surface temperatures, with up to 90% of coral colonies bleached in some areas".

"More than 60% of coral in reefs in the Maldives has been hit by “bleaching” as the world is gripped by record temperatures in 2016, a scientific survey suggests.

Bleaching happens when algae that lives in the coral is expelled due to stress caused by extreme and sustained changes in temperatures, turning the coral white and putting it at risk of dying if conditions do not return to normal.

"The soup of bright-green algae that is currently blanketing Florida's Treasure Coast is a reminder for many residents of the re-plumbing of the lower half of the state over the past century, when hundreds of canals, reservoirs and other public works were built to control the flow of water as cities blossomed there."

"Brazil's environmental regulator Ibama decided on Thursday to shelve the environmental license request for a hydroelectric dam on the Tapajos River in the Amazon, a project that had been opposed by indigenous tribes and conservation groups."

"The City of Montreal is spending hundreds of millions of dollars to replace lead pipes that deliver water to homes."

"BP Plc said the wastewater sediment discharge from its Whiting, Indiana refinery returned to permitted levels on Thursday, after several days of exceeding allowed amounts due an upset at a wastewater treatment plant."

"MENDOTA, Calif. — Driving down Highway 33 through California's Central Valley, signs of the state's ongoing drought — and water wars — are everywhere. Fields of green winter wheat and diagonal rows of almond trees alternate with brown fields. Billboards every few miles read, 'No water = No jobs.'"

"When you live on what’s essentially a sandbar, pollution, septic systems, and political roadblocks add up to one tough challenge."

"Beneath the streets of Boston, two robots named Mario and Luigi inspect the flow of human waste, collecting data on city residents."

"Emails obtained through public-records requests by a conservation group show that State Toxicologist Ken Rudo forcefully resisted the McCrory administration last year as it moved to alter the do-not-drink letters sent to hundreds of well owners near coal-ash pits owned by Duke Energy."

"A major part of Rio’s winning Olympic bid was a plan to capture and treat 80 percent of the sewage that flows into Guanabara Bay, something organizers now admit will not happen — certainly not by August, if ever."