Day: July 30, 2023

Wildlife enthusiasts across Britain are being encouraged to log sightings of butterflies and some moths, as the world’s largest annual survey of the increasingly endangered pollinating insects returns.

The U.K.-wide “Big Butterfly Count” — which this year runs from July 14 to August 6 — helps conservationists assess the health of the country’s natural environment, amid mounting evidence it is increasingly imperiled. 

Volunteers download a chart helping them to identify different butterfly species and then record their sightings in gardens, parks and elsewhere using a smartphone app and other online tools.

It comes as experts warn the often brightly colored winged insects are in rapid decline in Britain as they fail to cope with unprecedented environmental change. 

“It’s a pretty worrying picture,” Richard Fox, head of science at the Butterfly Conservation charity, which runs the nationwide citizen-led survey, told AFP at Orley Common, a vast park in Devon, southwest England.

“The major causes of the decline are what we humans have done to the landscape in the U.K. over the past 50, 60, 70 years,” he added from the site, which is seeing fewer butterflies despite offering an ideal habitat for them. 

A report published this year that Fox co-authored, based on 23 million items of data, revealed that four in every five U.K. butterfly species have decreased since the 1970s. 

Half of the country’s 58 species are listed as threatened, according to a conservation “red list.” 

‘Citizen scientists’

The UK, one of the world’s most nature-depleted countries, has lost almost half of its biodiversity over recent decades, according to a 2021 U.K. parliament report.

Agriculture, and its use of fertilizers and pesticides, alongside changes to landscapes including the removal of hedge rows to maximize space for growing crops, is partly blamed.

Counting butterflies, which are among the most monitored insects globally, has helped track the grim trend. 

Volunteers have been contributing to the effort since the 1970s, but recording is more popular than ever, in part thanks to evolving technology.

The Big Butterfly Count launched in 2010 and claims to have become the world’s biggest such survey. 

Over 64,000 “citizen scientists” participated last year, submitting 96,257 counts of butterflies and day-flying moths from across Britain.

Butterfly Conservation and the U.K. Centre for Ecology and Hydrology have developed an iRecord Butterflies app to help identify and geo-locate different butterfly species sightings.

It has logged nearly 1 million submissions since launching in 2014.

Butterflies help identify the health of an ecosystem because they react quickly to environmental changes and are seen as an early warning system for other wildlife losses, conservationists note.

“One of the great things about butterflies and of this fantastic data that we have about butterflies is that they act as indicators about all the other groups,” Fox explained. 

“So we know a bit about how our bees are doing, we know a little about how bugs, and beetles, and flies, and wasps, and other important insects are doing.”

‘We’ll starve’

Amy Walkden, Butterfly Conservation’s branch secretary in Devon, is one of many enthusiasts monitoring the insects year-round with the help of her 8-year-old daughter, Robin.

“Having a yearly record of what is around and what is not around I think is really good scientific data to indicate changes such as global warming, habitat destruction,” she said. 

Her daughter Robin appears equally aware of their value.

“If we don’t have any butterflies and all the buzzy things, then the things that eat butterflies won’t have any food,” she noted.

“The food chain is basically what we eat and if there is none of them, we’ll starve and we won’t really be able to survive, will we?”

Fox hopes that the latest annual count will help prompt policy makers to take more action, although he concedes the scale of the task is “enormous.”

The U.K. government has said it wants to reverse biodiversity loss and climate change, partly by planting tens of millions of trees in the next three years.

Fox called the plan “fantastic” but said other areas such as low intensity agri-environment schemes are also needed, “so that the public money paid to farmers will benefit the environment and support biodiversity.”

“There’s a lot more we can do there to make sure that the margins around fields are being managed in a way to turn around the fortunes of our more common and widespread butterflies,” he added.
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As Denver neared triple-digit temperatures, Ben Gallegos sat shirtless on his porch swatting flies off his legs and spritzing himself with a misting fan to try to get through the heat. Gallegos, like many in the nation’s poorest neighborhoods, doesn’t have air conditioning. 

The 68-year-old covers his windows with mattress foam to insulate against the heat and sleeps in the concrete basement. He knows high temperatures can cause heat stroke and death, and his lung condition makes him more susceptible. But the retired brick layer, who survives on about $1,000 a month, says air conditioning is out of reach. 

“Take me about 12 years to save up for something like that,” he said. “If it’s hard to breath, I’ll get down to emergency.” 

As climate change fans hotter and longer heat waves, breaking record temperatures across the U.S. and leaving dozens dead, the poorest Americans suffer the hottest days with the fewest defenses. Air conditioning, once a luxury, is now a matter of survival. 

As Phoenix weathered its 27th consecutive day above 110 degrees (43 Celsius) Wednesday, the nine who died indoors didn’t have functioning air conditioning, or it was turned off. Last year, all 86 heat-related deaths indoors were in uncooled environments. 

“To explain it fairly simply: Heat kills,” said Kristie Ebi, a University of Washington professor who researches heat and health. “Once the heat wave starts, mortality starts in about 24 hours.” 

It’s the poorest and people of color, from Kansas City to Detroit to New York City and beyond, who are far more likely to face grueling heat without air conditioning, according to a Boston University analysis of 115 U.S. metro areas. 

“The temperature differences … between lower-income neighborhoods, neighborhoods of color and their wealthier, whiter counterparts have pretty severe consequences,” said Cate Mingoya-LaFortune of Groundwork USA, an environmental justice organization. “There are these really big consequences like death. … But there’s also ambient misery.” 

Some have window units that can offer respite, but “in the dead of heat, it don’t do nothing,” said Melody Clark, who stopped Friday to get food at a Kansas City, Kansas, nonprofit as temperatures soared to 101. When the central air conditioning at her rental house broke, her landlord installed a window unit. But it doesn’t do much during the day. 

So the 45-year-old wets her hair, cooks outside on a propane grill and keeps the lights off indoors. At night she flips the box unit on, hauling her bed into the room where it’s located to sleep. 

As far as her two teenagers, she said: “They aren’t little bitty. We aren’t dying in the heat. … They don’t complain.” 

While billions in federal funding have been allocated to subsidize utility costs and the installation of cooling systems, experts say they often only support a fraction of the most vulnerable families and some still require prohibitive upfront costs. Installing a centralized heat pump system for heating and cooling can easily reach $25,000. 

President Joe Biden announced steps on Thursday to defend against extreme heat, highlighting the expansion of the Low Income Home Energy Assistance Program, which funnels money through states to help poorer households pay utility bills. 

While the program is critical, said Michelle Graff, who studies the subsidy at Cleveland State University, only about 16% of the nation’s eligible population is actually reached. Nearly half of states don’t offer the federal dollars for summer cooling. 

“So people are engaging in coping mechanisms, like they’re turning on their air conditioners later and leaving their homes hotter,” Graff said. 

As temperatures rise, so does the cost of cooling. And temperatures are already hotter in America’s low-income neighborhoods. Researchers at the University of San Diego analyzed 1,056 counties and in over 70%, the poorest areas and those with higher Black, Hispanic and Asian populations were significantly hotter. That’s in part because those neighborhoods lack tree coverage. 

At noon Friday, Katrice Sullivan sat on the porch of her rented house on Detroit’s westside. It was hot and muggy, but even steamier inside the house. Even if she had air conditioning, Sullivan said she’d choose her moments to run it to keep her electricity bill down. 

The 37-year-old factory worker sometimes sits in her car with the air conditioner running. “Some people here spend every dollar for food, so air conditioning is something they can’t afford,” she said. 

In the federal Inflation Reduction Act, billions were set aside for tax credits and rebates to help families install energy-efficient cooling systems, but some of those are yet to be available. Rebates are the kind of state and federal point-of-sale discounts that Amanda Morian has looked into for her 640-square-foot home. 

Morian, who has a 13-week-old baby susceptible to hot weather, is desperate to keep her house in Denver’s Globeville suburb cool. She got estimates from four different companies for installing a cooling system, but every project was between $20,000 and $25,000, she said. Even with subsidies she can’t afford it. 

Instead, she bought thermal curtains, ceiling fans and runs a window unit. At night she tries to do skin-to-skin touch to regulate the baby’s body temperature. 

“All of those are just to take the edge off, its not enough to actually make it cool. It’s enough to keep us from dying,” she said. 
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The number of AM radio stations in the United States is dwindling. Over the decades, mainstream broadcasters have moved to the FM band — especially music stations — to take advantage of FM’s superior audio fidelity. Now, there is a new threat to America’s remaining 4,000 AM stations. Some automakers want to kick AM off their dashboard radios.

In Dimmitt, in the state of Texas, that has Nancy and Todd Whalen worried. For eight years, they’ve owned KDHN-AM 1470, on the air since 1963. The Whalens are heard live on the station’s morning show and are KDHN’s sole employees.

“We came here to Dimmitt and told people that we wanted to give them something to be proud of. And we feel like what we’ve done and what we continue to do is provide that, not just for Dimmitt but for all the small towns in the area that no longer have local radio stations,” Nancy said.

KDHN, known as “The Twister,” also has received a Federal Communications Commission license for an FM (frequency modulation) translator, limited to 250 watts, which simulcasts the AM (amplitude modulation) signal. But the 500-watt AM signal covers more territory — about a 160-kilometer (99-mile) radius — compared with the 30-kilometer (19-mile) reach of the FM signal.

“The AM radio station is everything for us,” Nancy Whalen said. “We just turned on the FM translator, it’ll be two years in September. But the AM signal has been our bread and butter since the beginning.”

Where the profit is

Some urban station owners have decided it is more profitable to sell the real estate on which their antenna towers sit rather than continue to try to make money from commercials targeting a dwindling audience. That is what happened to KDWN in Las Vegas, Nevada, which was authorized by the FCC to transmit the maximum 50,000 watts allowed for AM stations. Corporate owner Audacy sold its 15-hectare (37-acre) transmission site on desert land last year to a real estate developer for $40 million and then switched off the powerful AM station, which had listeners across the entire Western U.S. at night.

Unlike FM band stations, which are limited to line-of-sight reception by the laws of physics, lower-frequency AM signals bounce off the ionosphere after sunset, giving them a range of hundreds and sometimes thousands of kilometers. FM stations have a greater audio frequency range, as they are allowed a wider bandwidth compared with AM stations. The most popular formats for the remaining AM stations in the United States are news/talk programming and sports, followed by country music.

Todd Whalen said audio quality is not an issue for his KDHN listeners.

“Our AM signal actually sounds as good as an FM signal because we have a state-of-the-art transmitter and processing,” he explained.

Recently, some major auto manufacturers announced plans to stop including AM radios in new vehicles, contending electric vehicle motor systems cause interference with reception, making stations unlistenable and, thus, the AM band obsolete.

Legislative response

Broadcasters and lawmakers object.

U.S. Senator Amy Klobuchar, a Minnesota Democrat, posted a video to Twitter about legislation she co-sponsored that would require vehicle manufacturers to include AM receivers in all new vehicles.

The Senate Committee on Commerce, Science, and Transportation approved via voice vote Thursday the “AM For Every Vehicle Act,” sending it to the Senate floor for consideration.

“Maybe people don’t understand how rural works, but a lot of people drive long distances to get to their town, to visit their friends,” Klobuchar said in her online video. She added she did not think auto manufacturers “understand how important AM radio is to people today.”

People like Rodney Hunter, who manages two grain silo sites in Tulia and Edmonson, Texas, said news on AM radio about corn, cotton, wheat and cattle are critical.

“I’ve had at least three farmers that called in today and said they heard on the radio that the markets are up. And without AM radio that would not be possible,” he told VOA on a recent morning at the grain silo in Tulia when a halt to grain shipments from Ukraine was causing a surge in prices of some agricultural commodities.

“Farmers are in their pickups or in their tractors, and they’re going up and down the road,” Hunter said. Relying on AM radio reception in vehicles “is just a lot handier” than trying to get crop-related news online.

Different languages

A five-hour drive southeast of Tulia found Joann Whang, in Carrollton, tuned in to another AM station. She’s not a farmer, but a pharmacist — listening to Korean-language KKDA-AM 730.

“My friend told me about it,” she said. “At first, I thought a Korean radio station is usually for the older generation, but it was actually pretty interesting. You can get all the information and highlights and even K-pop [music].”

The station is owned by the DK Media Group, which also publishes two Korean-language weekly newspapers in the Dallas-Fort Worth area. The company’s president, Stephanie Min Kim, said having no AM radios in new cars would imperil ethnic broadcasters who cannot afford the limited and more lucrative FM licenses.

“We feel that it is our duty to help and support our Korean immigrants integrate into American society,” said Kim, a former broadcaster at KBS in South Korea. “So, we invite experts from the law, health care and education to provide practical and useful information” over the station’s airwaves.

“More than 40% of radio listening is done in the car,” Kim said. “So, I think AM radio is facing a potential existential threat.”

That existential threat also affects another Dallas-area station — KHSE at 700 on the AM dial.

The station, known as Radio Caravan, with announcers speaking in Hindi, Tamil, English and other languages, plays South Asian music and provides information about community events.

While Radio Caravan also simulcasts on FM from a site 50 kilometers (31 miles) north of Dallas, that transmission does not have the reach of the 1,500-watt AM station whose transmitter and antenna array are located at a different site, also about 50 kilometers northeast of downtown Dallas.

“I don’t think AM can ever go away,” said Radio Caravan program host Aparna Ragnan, who suggested that auto manufacturers find a way to minimize the noise interference in electric vehicles instead of stopping installation of AM receivers in new cars and trucks.

Content is key

The inferior audio range of AM is not really an issue, said Radio Caravan’s station manager, Vaibhav Sheth.

“It’s the content that matters,” according to Sheth, who also noted that AM stations are a critical link for the alerts sent by the nationwide Emergency Alert System.

“Those sirens go off and your regular programming is interrupted, and when there’s an emergency, whether it’s a tornado warning, whether it’s a child abduction, whatever it is that’s happening, it goes to the AM frequency,” he said.

Some radio stations, including those struggling with personnel costs to fill 24 hours of programming, are beginning to use artificial intelligence, known as AI, which can grab real-time information, such as weather forecasts and sports scores, and use cloned announcer voices to make the computer-generated content sound live.

Kim at DK Media Group said AI might be valuable for some content, such as commercials, but she did not see it replacing empathetic voices interacting with the community in live programming.

“We are human beings,” Kim said.

The Whalens said they have not considered AI, even though they could use extra help at their “mom ‘n’ pop”-style station, which also broadcasts some local high school sports.

“We like being live in the studio. There’s just a different energy and a different feel,” said Nancy Whalen. “I think people listening can tell that over the radio. Artificial Intelligence is just that, and it’s not going to give the listener what they’re really looking for.”

Her husband, Todd, agreed. “We don’t want to be a canned radio station, because there’s a lot of canned stations out there.”
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There has been a steady decline in the number of AM radio stations in the United States. Over the decades, urban and mainstream broadcasters have moved to the FM band, which has better audio fidelity, although more limited range. Now, there is a new threat to the remaining AM stations. Some automakers want to kick AM off their dashboard radios, deeming it obsolete. VOA’s chief national correspondent, Steve Herman, in the state of Texas, has been tuning in to some traditional rural stations, as well as those broadcasting in languages others than English in the big cities. Camera – Steve Herman and Jonathan Zizzo.
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It was once Latin America’s largest landfill. Now, a decade after Rio de Janeiro shut it down and redoubled efforts to recover the surrounding expanse of highly polluted swamp, crabs, snails, fish and birds are once again populating the mangrove forest.

“If we didn’t say this used to be a landfill, people would think it’s a farm. The only thing missing is cattle,” jokes Elias Gouveia, an engineer with Comlurb, the city’s garbage collection agency that is shepherding the plantation project. “This is an environmental lesson that we must learn from: Nature is remarkable. If we don’t pollute nature, it heals itself.”

Gouveia, who has worked with Comlurb for 38 years, witnessed the Gramacho landfill recovery project’s timid first steps in the late 1990s.

The former landfill is located right by the 148 square miles (383 square kilometers) Guanabara Bay. Between the landfill’s inauguration in 1968 and 1996, some 80 million tons of garbage were dumped in the area, polluting the bay and surrounding rivers with trash and runoff.

In 1996, the city began implementing measures to limit the levels of pollution in the landfill, starting with treating some of the leachate, the toxic byproduct of mountains of rotting trash. But garbage continued to pile up until 2012, when the city finally shut it down.

“When I got there, the mangrove was almost completely devastated, due to the leachate, which had been released for a long time, and the garbage that arrived from Guanabara Bay,” recalled Mario Moscatelli, a biologist hired by the city in 1997 to assist officials in the ambitious undertaking.

The bay was once home to a thriving artisanal fishing industry and popular palm-lined beaches. But it has since become a dump for waste from shipyards and two commercial ports. At low tide, household trash, including old washing machines and soggy couches, float atop vast islands of accumulated sewage and sediment.

The landfill, where mountains of trash once attracted hundreds of pickers, was gradually covered with clay. Comlurb employees started removing garbage, building a rainwater drainage system, and replanting mangroves, an ecosystem that has proved particularly resilient — and successful — in similar environmental recovery projects.

Mangroves are of particular interest for environmental restoration for their capacity to capture and store large amounts of planet-warming carbon dioxide, Gouveia explained.

Experts say mangroves can bury even more carbon in the sediment than a tropical rainforest, making it a great tool to fight climate change.

To help preserve the rejuvenated mangrove from the trash coming from nearby communities, where residents sometimes throw garbage into the rivers, the city used clay from the swamp to build a network of fences. To this day, Comlurb employees continue to maintain and strengthen the fences, which are regularly damaged by trespassers looking for crabs.

Leachate still leaks from the now-covered landfill, which Comlurb is collecting and treating in one of its wastewater stations.

Comlurb and its private partner, Statled Brasil, have successfully recovered some 60 hectares, an area six times bigger than what they started with in the late 1990s.

“We have turned things around,” Gouveia said. “Before, [the landfill] was polluting the bay and the rivers. Now, it is the bay and the rivers that are polluting us.”
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SEATTLE — In 2016, hospitals in New York state identified a rare and dangerous fungal infection never before found in the United States. Research laboratories quickly mobilized to review historical specimens and found the fungus had been present in the country since at least 2013.

In the years since, New York City has emerged as ground zero for Candida auris infections. And until 2021, the state recorded the most confirmed cases in the country year after year, even as the illness has spread to other places, according to Centers for Disease Control and Prevention data analyzed by The Associated Press.

Candida auris is a globally emerging public health threat that can cause severe illness, including bloodstream, wound and respiratory infections. Its mortality rate has been estimated at 30% to 60%, and it’s a particular risk in health care settings for people with serious medical problems.

Last year, the most cases were found in Nevada and California, but the fungus was identified clinically in patients in 29 states. New York state remains a major hot spot.

A prominent theory for the sudden explosion of Candida auris, which was not found in humans anywhere until 2009, is climate change.

Humans and other mammals have warmer body temperatures than most fungal pathogens can tolerate, so they have historically been protected from most infections. However, rising temperatures can allow fungi to develop tolerance to warmer environments, and over time humans may lose resistance. Some researchers think this is what is happening with Candida auris.

When Candida auris was first spreading, said Meghan Marie Lyman, a CDC medical epidemiologist for the mycotic diseases branch, the cases were linked to people who had traveled to the U.S. from other places. Now, most cases are acquired locally — generally spreading among patients in health care settings.

In the U.S., there were 2,377 confirmed clinical cases diagnosed last year — an increase of more than 1,200% since 2017. But Candida auris is becoming a global problem. In Europe, a survey last year found case numbers nearly doubled from 2020 to 2021.

“The number of cases has increased, but also the geographic distribution has increased,” Lyman said. She noted that while screenings and surveillance have improved, the skyrocketing case numbers reflect a true increase.

In March, a CDC press release noted the seriousness of the problem, citing the pathogen’s resistance to traditional antifungal treatments and the alarming rate of its spread. Public health agencies are focused primarily on strategies to urgently mitigate transmission in health care settings.

Dr. Luis Ostrosky, a professor of infectious diseases at McGovern Medical School at UTHealth Houston, thinks Candida auris is “kind of our nightmare scenario.”

“It’s a potentially multidrug resistant pathogen with the ability to spread very efficiently in health care settings,” he said. “We’ve never had a pathogen like this in the fungal infection area.”

Ostrosky has treated about 10 patients with the fungal infection but has consulted on many more. He said he has seen it spread through an entire ICU in two weeks.

The fungus poses a significant threat to human health, researchers say.

Immunocompromised patients in hospitals are most at risk, but so are people in long-term care centers and nursing homes, which generally have less access to diagnostics and infection control experts.

Candida auris is not only challenging to treat, but also difficult to diagnose. It is rare and many clinicians are not aware it exists.

Beyond the increase in cases, popular culture has helped increase awareness of fungal infections. A popular HBO series, The Last of Us, is a drama about the survivors of a fungal outbreak.

“I think the way to think about how global warming is putting selection pressure on microbes is to think about how many more really hot days we are experiencing,” said Arturo Casadevall, a microbiologist, immunologist and professor at Johns Hopkins University. “Each day at (37.7 degrees Celsius) provides a selection event for all microbes affected — and the more days when high temperatures are experienced, the greater probability that some will adapt and survive.” 
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