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The Lady K tow boat kicks up a wake full of green algae a few hundred feet from the city of Toledo's Water Intake on Lake Erie, for testing on Monday, Aug. 4, 2014. Ty Wright / The Washington Post / Getty Images

By Valerie Vande Panne

In February, the voters of Toledo, Ohio, passed a ballot initiative that gives Lake Erie and those who rely on the lake's ecosystem a bill of rights. The idea is to protect and preserve the ecosystem so that the life that depends on it — humans included — can have access to safe, fresh drinking water.

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Gilles Messian / Flickr / CC BY 2.0

There are growing concerns about both the safety and proliferation of glyphosate, the active ingredient in Monsanto's Roundup weedkiller.

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EcoWatch Daily Newsletter

A "chicken confinement system" in North Carolina. Friends of Family Farmers / CC BY-ND 2.0

North Carolina, a state known for the devastating environmental and public health impacts of industrial-scale hog production, now has more than twice as many poultry factory farms as swine operations, according to a new investigation from the Environmental Working Group and Waterkeeper Alliance.

The groups' research found that in 2018, manure from 515.3 million chickens and turkeys joined the waste from 9.7 million hogs already fouling waters and threatening North Carolinians' health. By scouring satellite data, examining U.S. Department of Agriculture imagery and conducting site visits, EWG and Waterkeeper experts identified more than 4,700 poultry and about 2,100 swine concentrated animal feeding operations, or CAFOS.

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The rare white-letter hairstreak butterfly was spotted in Scotland for the first time since 1884. Ian Kirk / Wikipedia

By Lucy Goodchild van Hilten

A towering elm tree stands 30 meters (approximately 98 feet) tall, somewhere near the border between England and Scotland, defying the fate that so many of its cousins met when Dutch elm disease ravaged the species in the 1970s. One of relatively few elm trees left, it is a haven for wildlife. Look closely and you can see the erratic fluttering of a small brown butterfly, with a W-shaped white streak across its wing.

This butterfly is making history: It's crossed the border into Scotland, where it has settled happily in a native wych elm tree and been sighted in the country for the first time in 133 years. The white-letter hairstreakSatyrium w-album—has been squeezed slowly out of its habitat over the last 40 years, but now it seems to be getting a helping hand from an unexpected source: climate change.

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A Lake Worth lifeguard wearing a protective mask asks a surfer to exit the ocean as Palm Beach County officials announced that all county beaches are closed due to red tide affecting coastal areas on October 4, 2018 in Lake Worth, Florida. Joe Raedle / Getty Images

The same red tide choking Florida's Gulf coast has spread to waters off Miami-Dade and Palm Beach counties, forcing the closure of many popular beaches on Thursday and leaving hundreds of dead fish in its wake, according to local reports.

This is the first time in decades the toxic algae has affected both of Florida's coasts at the same time, the Associated Press reported.

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Vladimirovic / iStock / Getty Images Plus

By Sarah Graddy and Robert Coleman

This summer, the Environmental Working Group (EWG) is tracking outbreaks of potentially toxic algae across the U.S. We have been startled to find that these outbreaks are erupting everywhere: from the East Coast to the West Coast, from the Great Lakes to the Gulf of Mexico.

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By Robynne Boyd

Off the coast of Broward County in southeast Florida, a 330-year-old coral colony has withered in the water thanks to a mysterious pathogen. At the height of its health, this slow-growing variety of coral, known as mountainous star, looked like a car-size brown mushroom cap scored by ridges and valleys and colored with splashes of fluorescent green. Today the countless minuscule sea-anemone-like polyps that form the colony have turned white and died, laying bare the skeletal structure below.

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Smoggy downtown Houston. Kyle Jones / Flickr

By Rachel Leven

Engineer Jim Southerland was hired by the U.S. Environmental Protection Agency (EPA) in 1971 to join the nascent war on air pollution. He came to relish the task, investigating orange clouds from an ammunition plant in Tennessee and taking air samples from strip mines in Wyoming. Among his proudest accomplishments: helping the agency develop a set of numbers called emission factors—values that enable regulators to estimate atmospheric discharges from power plants, oil refineries, chemical plants and other industrial operations.

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By Brett Walton

State of the State speeches are where governors sketch their legislative priorities and report on the overall health of their dominions. The state of the state is almost always "strong" and water issues are occasionally mentioned.

Below are summaries of the governors' references to water, climate and the environment.

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Coral bleaching survey, Orpheus Island 2017. Greg Torda / ARC Centre of Excellence for Coral Reef Studies

By Daisy Dunne

The scale of bleaching has been rising steadily in the last four decades, a study author told Carbon Brief, with the global proportion of coral being hit by bleaching per year rising from 8 percent in the 1980s to 31 percent in 2016.

The findings indicate that "coral reefs as we know them may well vanish in the lifetime of the youngest of us" if no efforts are made to rapidly curb climate change, another scientist told Carbon Brief.

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Algae bloom in the Arabian sea. Norman Kuring / NASA

Ocean dead zones quadrupled in size since 1950, while low oxygen sites around the world increased tenfold, threatening large swaths of marine life, scientists warned in a study released on Friday.

"Major extinction events in Earth's history have been associated with warm climates and oxygen-deficient oceans," the analysis published in the journal Science stated.

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