During a campaign speech in Latrobe, Pennsylvania, on Oct. 19, 2024, Donald Trump promised to save the country from immigrants: “I will rescue every town across America that has been invaded and conquered, and we will put these vicious and bloodthirsty criminals in a jail or kick them out of our country.”
Depicting immigrants as a threat has been a pillar of Trump’s message since 2015. And the types of terms he uses aren’t just disparaging. It might not seem like it, but Trump is continuing a long tradition in American politics: using language shaped by the Bible.
When the former president says those at the border are “poisoning the blood of our country,” “animals” and “rapists,” his vocabulary mirrors verses from the New Testament. The Book of Revelation, the last book of the Bible, says those kept out of the city of God are “filthy”; they are “dogs and sorcerers and sexually immoral and murderers and idolaters and everyone who loves and practices falsehood.”
In fact, Americans have been using the Bible for centuries to talk about immigrants, especially those they want to keep out. As a scholar of the Bibleand politics, I’ve studied how language from Revelation shaped American ideas about who belongs in the United States – the focus of my book, “Immigration and Apocalypse.”
The shining city
The Book of Revelation describes a vision of the end of the world, when the wicked are punished and the good rewarded. It tells the story of God’s enemies, who worship the evil Beast of the Sea, bear his mark on their body and threaten God’s people. Because of their wickedness, they suffer diseases, catastrophes and war until they are finally destroyed in the lake of fire.
God’s followers, however, enter through the gates of the walls surrounding the New Jerusalem, a holy city that comes down from heaven. God’s chosen people enter through the gates and live in the shining city for eternity.
Throughout American history, many of its Christian citizens have imagined themselves as God’s saints in the New Jerusalem. Puritan colonists believed they were establishing God’s kingdom, both metaphorically and literally. Ronald Reagan likened the nation to the New Jerusalem by describing America as a “shining city … built on rocks stronger than oceans, wind-swept, God-blessed, and teeming with people of all kinds living in harmony and peace,” but with city walls and doors.
Reagan was specifically quoting Puritan John Winthrop, one of the founders of Massachusetts Bay Colony, whose use of the “city on a hill” phrase quotes Jesus’ Sermon on the Mount. But Reagan’s detailed description closely matches that of the New Jerusalem in Revelation 21. Like God’s heavenly city, Reagan’s picture of America also has strong foundations, walls and gates, and people from every nation bringing in tribute.
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Barring the gates
If people imagine the U.S. as God’s city, then it’s easy also to imagine enemies who want to invade that city. And this is how unwanted immigrants have been depicted through American history: as enemies of God.
In the 19th century, when virtually all politicians were Protestant, anti-Catholic politicians accused Irish immigrants of bearing the “mark of the Beast” and being loyal to the “Antichrist”: the pope. They claimed that Irish immigrants could form an unholy army against the nation.
At the turn of the century, “yellow peril” novels against Chinese immigration imagined a heathen horde taking over the U.S. At the end of one such book, China itself is depicted as a satanic “Black Dragon,” forcing its way through “the Golden Gate” of America.
‘Uncle Sam’s Farm in Danger’: an 1878 cartoon by G. F. Keller depicts Chinese emigrants fleeing famine. The Wasp via Wikimedia Commons
And all immigrant groups who were unwanted at one time or another have been accused of being “filthy” and diseased, like the enemies of God in Revelation. Italians, Jews, Irish, Chinese and Mexicans were all, at some point, targeted as unhealthy and carrying illness.
This constellation of labels from Revelation – plague-bearing, bestial, invading, sexually corrupt, murderous – has been reused and recycled throughout American history.
Others have more explicitly used images from Revelation to talk about immigration. Pastor Robert Jeffress, who preached at Trump’s 2017 inauguration church service, told viewers on Fox News’ “Fox & Friends,” “God is not against walls, walls are not ‘un-Christian,’ the Bible says even heaven is going to have a wall around it.” The Conservative Political Action Conference held a panel in 2017 titled “If Heaven Has a Gate, A Wall, and Extreme Vetting, Why Can’t America?” There are even bumper stickers that say, “Heaven Has A Wall and Strict Immigration Policy / Hell Has Open Borders.”
Revelation 21 indeed describes the heavenly New Jerusalem with a massive shining wall, “clear as crystal,” with pearls for gates. Trump, similarly, talks about his “big, beautiful door,” set in a “beautiful,” massive wall that also has to be “see-through.”
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The city of God metaphor has long been a tool for American leaders – both to idealize the nation and to warn against immigration. But the concept of a walled-in city seems increasingly outdated in a digitally connected, global world.
As migration continues to rise around the world due to climate changeand conflict, I’d argue that these metaphors and the attitudes they drive are not just obsolete, but exacerbating crisis.
he Bridge is a section of the STM Daily News Blog meant for diversity, offering real news stories about bona fide community efforts to perpetuate a greater good. The purpose of The Bridge is to connect the divides that separate us, fostering understanding and empathy among different groups. By highlighting positive initiatives and inspirational actions, The Bridge aims to create a sense of unity and shared purpose. This section brings to light stories of individuals and organizations working tirelessly to promote inclusivity, equality, and mutual respect. Through these narratives, readers are encouraged to appreciate the richness of diverse perspectives and to participate actively in building stronger, more cohesive communities.
One of two main craters on Alaska’s Mount Spurr, shown in 1991. Earthquake activity suggests the volcano is close to erupting again in 2025.
R.G. McGimsey/Alaska Volcano Observatory/U.S. Geological Survey, CC BYDavid Kitchen, University of Richmond
Volcanoes inspire awe with spectacular eruptions and incandescent rivers of lava, but often their deadliest hazard is what quietly falls from the sky.
When a large volcano erupts, as Mount Spurr appears close to doing about 80 miles from Anchorage, Alaska, it can release enormous volumes of ash. Fine ash can infiltrate the lungs of people and animals who breathe it in, poison crops and disrupt aquatic life. Thick deposits of ash can collapse roofs, cripple utilities and disrupt transport networks.
Ash may lack the visual impact of flowing lava, but as a geologist who studies disasters, I’m aware that ash travels farther, lasts longer and leaves deep scars.
Ash buried cars and buildings after the 1984 eruption of Rabaul in Papua New Guinea.Volcano Hazards Program, U.S. Geological Survey
Volcanic ash: What it is, and why it matters
Volcanic ash forms when viscous magma – molten rock from deep beneath Earth’s surface – erupts, exploding into shards of rock, mineral and glass carried in a near-supersonic stream of hot gas.
Towering clouds of ash rise several miles into the atmosphere, where the ash is captured by high-altitude winds that can carry it hundreds or even thousands of miles.
As the volcanic ash settles back to Earth, it accumulates in layers that typically decrease in thickness with distance from the eruption source. Near the vent, the ash may be several feet deep, but communities farther away may see only a dusting.
When Mount Spurr erupted in 1992, a dark column of ash and gas shot into the atmosphere from the volcano’s Crater Peak vent. Wind patterns determine where the ash will fall.U.S. Geological Survey
Breathing danger: Health risks from ash
Breathing volcanic ash can irritate the throat and lungs, trigger asthma attacks and aggravate chronic respiratory conditions such as COPD.
The finest particles pose the greatest risk because they can penetrate deep into the lungs and cause death by asphyxiation in the worst cases. Mild, short-term symptoms often resolve with rest. However, the long-term consequences of ash exposure can include silicosis, a lung disease and a possible cause of cancer.
The danger increases in dry regions where fallen ash can be kicked up into the air again by wind or human activity.
Risks to pets and livestock
Humans aren’t the only ones at risk. Animals experience similar respiratory symptoms to humans.
Domestic pets can develop respiratory distress, eye inflammation and paw irritation from exposure to ash.
Ash covers sheep in Argentina after the 2011 Puyehue volcanic eruption in Chile.Federico Grosso/U.S. Geological Survey
Livestock face greater dangers. If grazing animals eat volcanic ash, it can damage their teeth, block their intestines and poison them.
During the 2010 Eyjafjallajökull eruption in Iceland, farmers were advised to shelter sheep and cattle because the ash contained fluoride concentrations above the recognized safety threshold of 400 parts per million. Animals that remained exposed became sick and some died.
Harm to crops, soil and water
Soil and crops can also be damaged. Volcanic ash alters the acidity of soil and introduces harmful elements such as arsenic and sulfur into the environment.
While the ash can add nutrients such as potassium and phosphorus that enhance fertility, the immediate impact is mostly harmful.
Ash can smother crops, block sunlight and clog the tiny stomata, or pores, in leaves that allow plants to exchange gases with the atmosphere. It can also introduce toxins that render food unmarketable. Vegetables, fruit trees and vines are particularly vulnerable, but even sturdy cereals and grasses can die if ash remains on leaves or poisons emerging shoots.
Following the 1991 Mount Pinatubo eruption, vast tracts of farmland in central Luzon in the Philippines were rendered unproductive for years due to acidic ash and buried topsoil. If multiple ashfalls occur in a growing season, crop failure becomes a near certainty. It was the cause of a historic famine that followed the eruption of Mount Tambora in 1815.
Ash from a 1953 eruption of Mount Spurr included very fine grains, like powder. The ash cloud reached about 70,000 feet high and left Anchorage under a blanket of ash up to a quarter-inch deep, according to a U.S. Geological Survey report at the time.James St. John via Wikimedia Commons, CC BYElectron microscope images of ash show how sharp the shards are. The top left image of shards from Mount Etna in 2002 is 1 mm across. Top right is an ash particle from Mount St. Helens magnified 200 times. The shards in the lower images are less than 0.064 mm.Volcano Hazards Program, U.S. Geological Survey
Ash can also contaminate surface water by introducing toxins and increasing the water’s acidity. The toxins can leach into groundwater, contaminating wells. Fine ash particles can also settle in waterways and smother aquatic plants and animals. During the 2008 Chaitén eruption in Chile, ash contamination led to widespread fish deaths in the Río Blanco.
Ash can ground airplanes, gum up infrastructure
Ash clouds are extremely dangerous to aircraft. The glassy ash particles melt when sucked into jet turbines, clog fuel systems and can stall engines in midair.
In 1982, British Airways Flight 9 lost power in all four engines after flying through an ash cloud. A similar incident occurred in 1989 to KLM Flight 867 over Alaska. In 2010, Iceland’s Eyjafjallajökull eruption grounded more than 100,000 flights across Europe, disrupting travel for over 10 million passengers and costing the global economy billions of dollars.
Volcanic ash can also wreak havoc on infrastructure by clogging water supplies, short-circuiting electrical systems and collapsing roofs under its weight. It can disrupt transportation, communication, rescue and power networks, as the 1991 eruption of Mount Pinatubo in the Philippines dramatically demonstrated.
What to do during ashfall
During an ashfall event, the most effective strategy to stay safe is to stay indoors as much as possible and avoid inhaling ash particles.
Anyone who must go outside should wear a properly fitted N95 or P2 mask. Cloth masks provide little protection against fine ash. Rainwater tanks, troughs and open wells should be covered and monitored for contamination. Livestock should be moved to clean pastures or given uncontaminated fodder.
The challenges Alaska is facing if Mount Spurr erupts.
To reduce structural damage, ash should be cleared from roofs and gutters promptly, especially before rainfall.
Older adults, children and people who are sick are at greatest risk, particularly those living in poorly ventilated homes. Rural communities that are dependent on agriculture and livestock are disproportionately affected by ashfall, as are low-income people who lack access to clean water, protective masks or safe shelter.
Communities can stay informed about ash risks through official alerts, including those from the Volcanic Ash Advisory Centers, which monitor ash dispersion and issue timely warnings. The International Volcanic Health Hazard Network also offers guidelines on personal protection, emergency planning and ash cleanup.
The long tail of ash
Volcanic ash may fall quietly, but its effects are widespread, persistent and potentially deadly. It poses a chronic threat to health, agriculture, infrastructure and aquatic systems.
Recognizing the risk is a crucial first step to protecting lives. Effective planning and public awareness can further help reduce the damage.
David Kitchen, Associate Professor of Geology, University of Richmond
This article is republished from The Conversation under a Creative Commons license. Read the original article.
Regulations have cleaned up cars, power plants and factories, leaving cleaner air while economies have grown.
Cavan Images/Josh Campbell via Getty ImagesRichard E. Peltier, UMass Amherst
The Trump administration is “reconsidering” more than 30 air pollution regulations, and it offered industries a brief window to apply for exemptions that would allow them to stop following many air quality regulations immediately if approved. All of the exemptions involve rules finalized in 2024 and include regulations for hazardous air pollutants that cause asthma, heart disease and cancer.
The results – if regulations are ultimately rolled back and if those rollbacks and any exemptions stand up to court challenges – could impact air quality across the United States.
“Reconsideration” is a term used to review or modify a government regulation. While Environmental Protection Agency Administrator Lee Zeldin provided few details, the breadth of the regulations being reconsidered affects all Americans. They include rules that set limits for pollutants that can harm human health, such as ozone, particulate matter and volatile organic carbon.
Zeldin wrote on March 12, 2025, that his deregulation moves would “roll back trillions in regulatory costs and hidden “taxes” on U.S. families.“
What Zeldin didn’t say is that the economic and health benefits from decades of federal clean air regulations have far outweighed their costs. Some estimates suggest every $1 spent meeting clean air rules has returned $10 in health and economic benefits.
How far America has come, because of regulations
In the early 1970s, thick smog blanketed American cities and acid rain stripped forests bare from the Northeast to the Midwest.
Air pollution wasn’t just a nuisance – it was a public health emergency. But in the decades since, the United States has engineered one of the most successful environmental turnarounds in history.
Thanks to stronger air quality regulations, pollution levels have plummeted, preventing hundreds of thousands of deaths annually. And despite early predictions that these regulations would cripple the economy, the opposite has proven true: The U.S. economy more than doubled in size while pollution fell, showing that clean air and economic growth can – and do – go hand in hand.
The numbers are eye-popping.
An Environmental Protection Agency analysis of the first 20 years of the Clean Air Act, from 1970 to 1990, found the economic benefits of the regulations were about 42 times greater than the costs.
The EPA later estimated that the cost of air quality regulations in the U.S. would be about US$65 billion in 2020, and the benefits, primarily in improved health and increased worker productivity, would be around $2 trillion. Other studies have found similar benefits.
That’s a return of more than 30 to 1, making clean air one of the best investments the country has ever made.
Science-based regulations even the playing field
The turning point came with the passage of the Clean Air Act of 1970, which put in place strict rules on pollutants from industry, vehicles and power plants.
These rules targeted key culprits: lead, ozone, sulfur dioxide, nitrogen oxides and particulate matter – substances that contribute to asthma, heart disease and premature deaths. An example was the removal of lead, which can harm the brain and other organs, from gasoline. That single change resulted in far lower levels of lead in people’s blood, including a 70% drop in U.S. children’s blood-lead levels.
Air Quality regulations lowered the amount of lead being used in gasoline, which also resulted in rapidly declining lead concentrations in the average American between 1976-1980. This shows us how effective regulations can be at reducing public health risks to people.USEPA/Environmental Criteria and Assessment Office (1986)
The results have been extraordinary. Since 1980, emissions of six major air pollutants have dropped by 78%, even as the U.S. economy has more than doubled in size. Cities that were once notorious for their thick, choking smog – such as Los Angeles, Houston and Pittsburgh – now see far cleaner air, while lakes and forests devastated by acid rain in the Northeast have rebounded.
Comparison of growth areas and declining emissions, 1970-2023.EPA
And most importantly, lives have been saved. The Clean Air Act requires the EPA to periodically estimate the costs and benefits of air quality regulations. In the most recent estimate, released in 2011, the EPA projected that air quality improvements would prevent over 230,000 premature deaths in 2020. That means fewer heart attacks, fewer emergency room visits for asthma, and more years of healthy life for millions of Americans.
The economic payoff
Critics of air quality regulations have long argued that the regulations are too expensive for businesses and consumers. But the data tells a very different story.
EPA studies have confirmed that clean air regulations improve air quality over time. Other studies have shown that the health benefits greatly outweigh the costs. That pays off for the economy. Fewer illnesses mean lower health care costs, and healthier workers mean higher productivity and fewer missed workdays.
The EPA estimated that for every $1 spent on meeting air quality regulations, the United States received $9 in benefits. A separate study by the non-partisan National Bureau of Economic Research in 2024 estimated that each $1 spent on air pollution regulation brought the U.S. economy at least $10 in benefits. And when considering the long-term impact on human health and climate stability, the return is even greater.
Hollywood and downtown Los Angeles in 1984: Smog was a common problem in the 1970s and 1980s.Ian Dryden/Los Angeles Times/UCLA Archive/Wikimedia Commons, CC BY
The next chapter in clean air
The air Americans breathe today is cleaner, much healthier and safer than it was just a few decades ago.
Yet, despite this remarkable progress, air pollution remains a challenge in some parts of the country. Some urban neighborhoods remain stubbornly polluted because of vehicle emissions and industrial pollution. While urban pollution has declined, wildfire smoke has become a larger influence on poor air quality across the nation.
That means the EPA still has work to do.
If the agency works with environmental scientists, public health experts and industry, and fosters honest scientific consensus, it can continue to protect public health while supporting economic growth. At the same time, it can ensure that future generations enjoy the same clean air and prosperity that regulations have made possible.
By instead considering retracting clean air rules, the EPA is calling into question the expertise of countless scientists who have provided their objective advice over decades to set standards designed to protect human lives. In many cases, industries won’t want to go back to past polluting ways, but lifting clean air rules means future investment might not be as protective. And it increases future regulatory uncertainty for industries.
The past offers a clear lesson: Investing in clean air is not just good for public health – it’s good for the economy. With a track record of saving lives and delivering trillion-dollar benefits, air quality regulations remain one of the greatest policy success stories in American history.
This article, originally published March 12, 2025, has been updated with the administration’s offer of exemptions for industries.Richard E. Peltier, Professor of Environmental Health Sciences, UMass Amherst
This article is republished from The Conversation under a Creative Commons license. Read the original article.
The 1970s prime-time television series “Emergency!” was an action-packed drama that followed the daily lives of courageous firefighters and paramedics in Los Angeles County. The show, which aired from 1972 to 1979, was praised not only for its gripping storylines and character development but also for its realistic portrayal of the emergency services industry. It provided a compelling look into the challenges and triumphs faced by first responders, highlighting their incredible dedication and heroism in the face of danger.
The show was spun off from the original series “Adam-12,” which was also set in Los Angeles and followed the lives of two police officers. “Emergency!” took the same approach but shifted its focus to the lives of firefighters and paramedics. This innovative show was created by Robert A. Cinader and Jack Webb, the latter also known for producing “Adam-12” and “Dragnet.”
At the heart of “Emergency!” was its talented cast, led by Randolph Mantooth, who portrayed firefighter and paramedic John Gage. Mantooth’s charismatic performance was complemented by Kevin Tighe, who played his reliable partner Roy DeSoto. The ensemble cast also included Julie London, who breathed life into nurse Dixie McCall; Bobby Troup, who played the compassionate Dr. Joe Early; and Robert Fuller, who took on the role of the authoritative Dr. Kelly Brackett.
One of the show’s standout features was its commitment to authenticity. It was praised for its accurate portrayal of the emergency services industry, an effort bolstered by the involvement of real-life firefighters and paramedics serving as technical advisors. This attention to detail extended to the use of actual emergency vehicles and equipment, earning the show a loyal following of industry professionals and curious viewers alike.
“Emergency!” was known for its gripping action scenes, which often involved realistic special effects that depicted explosions, fires, and other dangerous situations. The show’s excitement wasn’t limited to physical dangers; it also tackled significant social issues of the time, such as drug abuse, mental health, and domestic violence. This made “Emergency!” a groundbreaking program that addressed topics other shows of the era often shied away from.
Despite its success, “Emergency!” was canceled in 1979 after seven impactful seasons. However, its legacy persisted. The show paved the way for subsequent action-packed dramas, such as “CHiPs” and “Miami Vice,” and it inspired a new generation of viewers to pursue careers in emergency services. The influence of “Emergency!” is also seen in modern medical dramas like “ER” and “Grey’s Anatomy,” which continue to blend high-stakes action with personal and social issues.
In retrospect, “Emergency!” not only entertained millions but also educated the public about the critical work of emergency responders and healthcare professionals, leaving a lasting impact on both television and real-world perceptions of these vital services.
Squad 51 before restoration, picture taken at Pomona Raceway in the 1970s. Wikipedia
Emergency! was a groundbreaking television series that meticulously followed the daily lives and challenges of firefighters and paramedics in Los Angeles County. The show was universally praised for its realistic portrayal of the emergency services industry, as well as for its thrilling and hair-raising action scenes. The cast was spearheaded by the talented Randolph Mantooth and Kevin Tighe, who delivered compelling performances that were both heartfelt and authentic. They were joined by a stellar supporting cast, including Julie London, Bobby Troup, and Robert Fuller, each bringing their unique charisma and depth to the show. Emergency! was initially spun off from the original series Adam-12, yet it carved out its own significant legacy, leaving an indelible mark on the television industry. More than just entertainment, the series brought public attention to the vital and courageous work of emergency responders, inspiring many to pursue careers in this essential field.
Rod: A creative force, blending words, images, and flavors. Blogger, writer, filmmaker, and photographer. Cooking enthusiast with a sci-fi vision. Passionate about his upcoming series and dedicated to TNC Network. Partnered with Rebecca Washington for a shared journey of love and art.
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