The latest research reveals alarming levels of contamination in northeastern Tennessee waterways, by the chemicals known as per- and polyfluoroalkyl substances or PFAS.

Many communities and ecosystems are exposed to PFAS in soil, surface water, groundwater and air.

Dan Firth, chair of the solid waste and mining committee for the Tennessee chapter of the Sierra Club, said they collected 20 water samples from lakes and rivers around Kingsport and Johnson City, and about 60% tested positive for the substances, often known as "forever chemicals" because they do not degrade over time.

"We sampled the water system down below Boone Lake, all the way to just below the Holston Army Ammunition Plant," Firth explained. "We saw at sample location below the ammunition plant, we found detection of a PFAS compound that we didn't see anywhere else."

Firth noted the chemicals are a growing concern for people and the environment. They can cause cancer, liver damage and a host of other health effects. He added the Environmental Protection Agency has proposed drinking water standards expected to be finalized this year, setting limits of four parts per trillion in drinking water.

Firth emphasized their focus is to collaborate with lawmakers and offer suggestions for PFAS testing in order to better comprehend the environmental effects of this type of pollution.

"We need to have greater testing; we need to have better testing," Firth urged. "We need to understand what the problems are. We need to not ignore the fact that we have this contamination in our waterways. Wastewater treatment plants have the authority to control their influent."

He pointed out "forever chemicals" are used in consumer products, cosmetics, food packaging and many other things. The Tennessee Department of Environmental Conservation is also conducting a statewide sampling initiative to test all public drinking-water sources for PFAS compounds.

The Conservation Fund, which works to protect land and nature across the U.S. has announced it has protected more than 1 million acres of working forests lands across the country, including in Oregon.

The organization's milestone comes as forests are rapidly disappearing -- as many as 13 million acres in the next few decades.

Brian Dangler, director of the Working Forest Fund with The Conservation Fund, said valuable work continues on the protected land which adds to the nearby economy.

"The beauty of these projects is that the receipts from the timber, the sustainable management of forests, timber harvest really helps local folks to keep the schools going, the fire department, the local services," he explained.

He added The Conservation Fund has helped protect forestland in the Columbia River Gorge near Hood River and Deep River Woods near Astoria. Nationwide, it's secured forests in 21 states. The organization uses community and private partnerships to protect nature.

Dangler said large, intact forests support jobs in rural communities, through logging, trucking, building roads and other activities.

"And, of course, the wildlife habitat that goes along with it. Good forest management usually improves wildlife habitat for lots of different species," he continued.

Dangler noted development is one of the biggest threats to forests, and said it's important to keep forestlands as units rather than smaller parcels.

"Eventually more and more development just nibbles away at these large, intact forests. It's very important for them to be large in landscape," he said. "It's like Humpty Dumpty -- you can't put it back together again when it gets fragmented so much."

Summer in Indiana produces a variety of festivals, outdoor concerts, and athletic competitions.

These attractions produce large crowds and hundreds of pounds of trash and food containers which could end up in a landfill.

"The Indianapolis Event Waste Guide" is an environmentally-focused publication with resources and contact information for nonprofits and vendors wanting to reduce waste.

Ecosystems Events Owner Julia Spangler said the publication is for events attended by a dozen or thousands of people.

"Bringing people together, especially if you're feeding them or decorating, often generates waste," said Spangler. "So, this guide is all about first, how to reduce the amount of waste generated in the first place, and then how to keep that waste out of the landfill."

Spangler described the publication as a "one-stop shop starting point" for recycling or composting food, waste, leftover lanyards, or banners.

In 2021, Indiana collected more than nine million tons of garbage, refuse, office waste and other similar materials.

The Indianapolis Event Waste Guide was released to coincide with the U.S. Olympic swimming trials held in Indianapolis last month.

As the state continues to draw large crowds at amateur and professional athletic competitions, event planners are looking for ways to reduce their carbon footprint.

Sustain Indy Community Manager, and City of Indianapolis Office of Sustainability Community Engagement Manager Lyndsay Trameri noted the guide is intended for local residents and out-of-town organizers.

"Just because you're planning an event in the town you live in," said Trameri, "that doesn't mean you're aware of all the different contacts and organizations that are local that can help you decrease your footprint."

Trameri added that city leaders have a plan for Indianapolis to be net zero emissions by 2050. Trameri said you can download the free guide on the Visit Indy website.

Weather researchers at Iowa State University say a shifting climate and warmer ocean temperatures are partially responsible for a record number of tornadoes this spring.

More than 100 were reported in Iowa, in May alone.

Eleven hundred tornadoes were reported regionwide in May -- from Texas to Minnesota, and from West Virginia to Georgia. That's more than twice the 30 year average.

One of the fiercest killed five people and injured dozens in rural Greenfield, Iowa.

ISU Severe Weather Meteorologist and Professor of Meteorology William Gallus said extreme heat from a changing climate has increased ocean temperatures, and is one contributing factor to this year's storms.

"Mexico and Texas were having record high temperatures," said Gallus. "That was allowing the Gulf of Mexico to rapidly warm up, get much warmer than normal, which means that is our main source of energy."

Gallus said the weather pattern known as El Niño -- characterized by warmer ocean temperatures that prompt more precipitation and provide fuel for severe weather -- is now shifting to La Niña, marked by cooler seas and drier weather.

That could cause the rest of the tornado season to be less active.

Gallus said the high number of tornadoes in the region was unusual, since climate change models predict Iowa and neighboring states west of the Mississippi should being seeing below average numbers, which they have in recent years.

"The long-term trend has been for tornadoes to be hitting more places east of the Mississippi River," said Gallus.

Gallus said data show tornadoes occurring on fewer days each year, but coming in clusters and with greater intensity.

He says some storms that have been listed as Category F3 are probably F5's, but measurement methods in some areas are not adequate to gauge the storms' intensity.




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