As heat waves become more frequent and intense, public health experts are urging people to take precautions against heat-related illnesses, especially when temperatures remain high overnight and access to air conditioning is limited.

According to health specialists cited by the Associated Press, prolonged exposure to high temperatures—particularly when combined with elevated humidity—can overwhelm the body’s ability to regulate its internal temperature. Climate change is also contributing to increasingly severe heat waves and greater heat stress in many parts of the world.

Understanding Heat Risk

Air temperature alone does not determine how dangerous hot weather can be. Experts say humidity, wind, cloud cover, and direct sunlight all influence how the body experiences heat.

One of the most comprehensive measurements is the Wet Bulb Globe Temperature (WBGT), which considers temperature, humidity, solar radiation, and wind speed. While WBGT is commonly used in occupational and athletic settings, the heat index—which combines temperature and humidity—is more widely available through weather forecasts and mobile applications.

The U.S. National Oceanic and Atmospheric Administration (NOAA) also provides a heat index chart that estimates the health risks associated with prolonged exposure. Under NOAA guidance, temperatures of 96 degrees Fahrenheit (36 degrees Celsius) combined with 45% humidity fall within the “danger” category for extended outdoor activity or strenuous exercise.

Recent research cited in the report suggests that even healthy young adults may struggle to tolerate prolonged exposure to high heat and humidity.

Why Warm Nights Matter

Ashley Ward, director of the Heat Policy Innovation Hub at Duke University, said overnight cooling plays a critical role in allowing the body to recover from daytime heat exposure.

“Your body needs a reprieve,” Ward said. “You don’t get that overnight, we start the next day at a deficit.”

Ward noted that overnight temperatures remaining above 75 degrees Fahrenheit (24 degrees Celsius) have been associated with higher rates of heat-related illness, heat stroke, emergency medical visits, and deaths.

Without sufficient nighttime cooling, the body’s accumulated heat stress can continue into the following day, increasing health risks during prolonged heat waves.

Staying Cool Without Air Conditioning

Although air conditioning remains one of the most effective protections against extreme heat, experts acknowledge that it is not available or affordable for everyone.

Ward recommends creating a designated “cool corner” inside the home if cooling an entire residence is not possible. Sleeping in the coolest available area may help the body recover overnight before temperatures rise again.

Cooling strategies may vary depending on local climate conditions. Evaporative, or “swamp,” coolers can be effective in dry environments but may increase indoor humidity, making them less suitable in already humid regions. In humid climates, using electric fans is generally considered a better option.

People without home air conditioning are also encouraged to seek relief in air-conditioned public buildings, including libraries, shopping centers, movie theaters, or community cooling centers where available.

The report also notes that assistance programs may help some households obtain cooling equipment. In the United States, the Low-Income Home Energy Assistance Program (LIHEAP) may provide support for purchasing window air conditioning units, according to the National Council on Aging. Some local nonprofit organizations and community groups may also offer assistance.

Workplace Heat Protections

Outdoor workers face elevated risks during periods of extreme heat. Workplace protections vary by jurisdiction, and some U.S. states—including Washington, Oregon, California, Nevada, Colorado, Minnesota, and Maryland—have adopted heat safety regulations, according to the Natural Resources Defense Council.

Bharat Venkat, director of the University of California, Los Angeles Heat Lab, said that while regulations exist in some locations, workers may still encounter barriers that make protective measures difficult to access.

He noted that shaded rest areas may be located far from work sites, potentially discouraging breaks if workers fear losing wages. Some employees may also have limited ability to influence their schedules or request additional safety measures.

Within those limitations, Venkat recommends staying well hydrated, cooling the body with cold water, and placing cool, wet cloths on areas such as the neck, armpits, hands, and feet. Portable handheld fans and cooling vests may also help reduce heat stress.

People exercising outdoors should avoid the hottest part of the day and carry more drinking water than they expect to need.

Recognizing Heat Illness

Early recognition of heat-related illness can help prevent medical emergencies.

Venkat said symptoms differ between individuals, and certain medications or medical conditions may reduce the body’s ability to regulate temperature or recognize overheating.

Initial warning signs often include heavy sweating, muscle cramps, and headaches. At that stage, experts recommend stopping physical activity immediately, moving to a cooler location, and using cold water to lower body temperature.

As heat exhaustion develops, symptoms may progress to dizziness and a rapid heartbeat. Heat stroke—the most severe form of heat illness—can involve confusion, slurred speech, fainting, or loss of consciousness.

Ward urged people not to delay seeking emergency medical attention when severe symptoms appear.

“Don’t be embarrassed to call 911 or go to urgent care when you think you might have overdone it in the heat,” Ward said.

Environmental Context

Scientists have found that climate change is increasing the frequency, duration, and intensity of heat waves in many regions. While individual heat events cannot be attributed solely to climate change, rising global temperatures are contributing to greater heat exposure and increasing public health risks.

Health experts continue to emphasize that preparation, access to cooling, hydration, and prompt recognition of heat illness remain among the most effective ways to reduce harm during periods of extreme heat.

Tags: Heat Wave, Extreme Heat, Climate Change, Heat Safety, Public Health, Heat Stress, Air Conditioning, NOAA, Heat Illness, Outdoor Workers, Environmental Health, Weather Safety

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BATON ROUGE, La. — When Louisiana State Rep. Kimberly Landry Coates stepped up to the podium to present her bill banning chemical spraying in the skies, she knew it might raise eyebrows.

“This might seem strange,” she warned her colleagues.

To some, it did more than that. As she called on fellow lawmakers to “start looking up,” Coates invoked the widely debunked chemtrail conspiracy theory—the belief that the white lines left behind by aircraft are not ordinary vapor trails, but intentional chemical releases with sinister goals ranging from mind control to climate manipulation.

Despite being thoroughly discredited by the scientific community, this theory is now making its way into formal legislation in states like Louisiana, Tennessee, Florida, and over a dozen others. The proposed laws aim to prohibit intentional atmospheric chemical releases—despite no verified evidence that such programs even exist.

But for researchers, educators, and media literacy advocates, the shift from online fringe to official lawmaking is more than a curiosity—it’s a red flag.

“Every bill like this gives undue weight to misinformation,” said Donnell Probst, interim executive director of the National Association for Media Literacy Education. “It tells people these conspiracies deserve to be debated like real issues. That’s dangerous.”

How Did We Get Here? The Origins of the Chemtrail Myth

The chemtrail theory first gained traction in the late 1990s, after a 1996 U.S. Air Force report titled Weather as a Force Multiplier: Owning the Weather in 2025 began circulating online. Though speculative and clearly labeled as fiction, conspiracy theorists latched onto it as supposed proof of government weather control efforts.

The theory quickly snowballed, with some claiming the long, lingering trails behind aircraft were evidence of secret chemical spraying programs. These claims blurred the line between chemtrails and contrails—the latter being harmless condensation trails formed when jet engine exhaust meets cold, moist air at high altitudes.

“Contrails are mostly water vapor,” explained Ken Leppert, atmospheric science professor at the University of Louisiana Monroe. “They’ve existed since the beginning of jet travel. There’s no malicious intent behind them.”

Despite decades of scientific consensus and government transparency efforts, belief in chemtrails persists. A 2016 peer-reviewed study in Environmental Research Letters found that 76 of 77 atmospheric scientists surveyed had seen no evidence whatsoever supporting claims of a large-scale, secret atmospheric spraying program.

Real Science Misused—and Misunderstood

In their push to regulate atmospheric spraying, many lawmakers have cited real but unrelated scientific fields—often confusing or misrepresenting them.

Take cloud seeding, for instance. It’s a method used in some regions to increase rainfall by dispersing particles (often silver iodide) into clouds. But it’s far from widespread and has never been practiced in Louisiana.

“Cloud seeding is extremely limited in its effectiveness,” Leppert said. “It’s not a tool for weather control—it’s more like nudging clouds under the right conditions. Louisiana doesn’t even issue permits for it.”

Then there’s geoengineering, which includes hypothetical methods for slowing climate change—such as solar radiation modification (SRM), which proposes reflecting sunlight to cool the planet. Though this idea is being studied in early-stage reports, no such programs are active or approved.

Coates, however, held up government planning documents on SRM as proof of atmospheric interference, ignoring the fact that these reports are speculative and publicly available.

The Political Echo Chamber

The chemtrail theory’s migration from internet forums to legislative chambers didn’t happen in a vacuum. It’s been amplified by high-profile political figures and celebrities who lend it mainstream visibility.

Robert F. Kennedy Jr., who is running for president as an independent, has repeatedly trafficked in conspiracy narratives, including those related to vaccines and environmental manipulation. Rep. Marjorie Taylor Greene has also echoed chemtrail concerns publicly.

And in Florida, a bill similar to Louisiana’s drew support from Marla Maples, the ex-wife of Donald Trump, who cited a rise in Alzheimer’s as her reason for getting involved.

When a Democratic state senator asked Maples if she knew anyone in the federal government who might help address the issue, she smiled and said, “I sure do.”

These endorsements, however informal, further blur the line between anecdote and evidence—and lend political weight to scientifically baseless claims.

Symbolic Bills, Real Costs

While some lawmakers frame these bills as precautionary or symbolic, critics say the symbolism sends the wrong message—especially when real public health and environmental challenges remain unaddressed.

Louisiana, for example, struggles with some of the nation’s highest poverty, incarceration, crime, and maternal mortality rates. Democratic Rep. Denise Marcelle didn’t hold back in her critique of the chemtrail bill.

“We owe the people of Louisiana better than this,” Marcelle said. “We should be solving problems we can actually see—not chasing ones that aren’t real.”

Even if such legislation carries no practical enforcement, experts worry it gives false narratives a platform, saps attention from critical policy needs, and misleads the public into thinking fabricated issues are matters of legitimate concern.

“It’s not just about one bill,” said Probst. “It’s about the larger trend of misinformation becoming legislation. And that should worry all of us.”

The Bigger Picture: Misinformation in the Mainstream

The chemtrail debate isn’t just about what’s happening in the sky. It’s a reflection of what’s happening on the ground—in statehouses, on social media, and in public discourse.

As lawmakers increasingly face pressure from constituents influenced by online misinformation, the line between conspiracy and policy continues to blur. And in that blur, experts say, democracy is at risk.

“We need science-informed policymaking now more than ever,” said Leppert. “Not just to deal with real environmental challenges, but to protect the integrity of our legislative process.”

Source: AP News – Unsubstantiated ‘chemtrail’ conspiracy theories lead to legislation proposed in US statehouses

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A powerful solar storm is heading toward Earth—and it could bring the northern lights to parts of the U.S. where they’re rarely seen. Thanks to a burst of solar activity earlier this week, skywatchers across a wide swath of the country may be in for a surprise light show Tuesday night.

What’s Causing the Buzz?

The sun released several coronal mass ejections—essentially huge eruptions of solar plasma and energy—that triggered a geomagnetic storm watch from NOAA’s Space Weather Prediction Center. If conditions are just right, these bursts could interact with Earth’s magnetic field and produce vibrant aurora displays well beyond their usual range.

Where You Might See the Lights

The auroras, typically reserved for high latitudes, could dip farther south than usual. Here’s where the northern lights might be visible:

• High likelihood: Alaska, Washington, Oregon, Montana, North Dakota, South Dakota, Minnesota, Michigan, Wisconsin, Vermont, New Hampshire, and Maine
• Possible viewing: Northern parts of Idaho, Wyoming, Nebraska, Iowa, Illinois, New York, and Pennsylvania

Why Are Auroras So Active Right Now?

We’re currently in the peak of the sun’s 11-year activity cycle, which means more frequent and widespread auroras. According to NOAA’s Shawn Dahl, this solar storm activity could continue on and off throughout the year.

Last spring, the strongest geomagnetic storm in 20 years created dazzling displays across the Northern Hemisphere. Even areas like New York City, the U.K., and Germany caught glimpses of the phenomenon.

“This is going to kind of continue off and on throughout the year,” said Dahl.

What Else Do Solar Storms Do?

While auroras are beautiful, solar storms can pack a punch:

• Disrupt power grids
• Scramble GPS and radio communications
• Affect satellites and air traffic control systems

Extreme events in history include an 1859 storm that caused telegraph fires and auroras visible as far south as Hawaii, and a 1972 storm that may have triggered magnetic sea mines off the coast of Vietnam.

Unfortunately, space weather isn’t something we can forecast far in advance. Warnings usually come just a few days before impact.

How to Spot the Northern Lights

Want to catch the show? Here are a few quick tips:

• Check the forecast: Visit NOAA’s Space Weather Prediction Center or use an aurora-tracking app.
• Find dark skies: Head to a location away from city lights—think local parks or nature reserves.
• Watch the clouds: A clear sky is key; even faint auroras can be blocked by cloud cover.
• Use your phone: Sometimes your smartphone camera can pick up colors and details you can’t see with the naked eye.

“Enjoy it,” said NASA’s Kelly Korreck. “It’s this great show… from the sun to you.”

Source: AP News – A strong solar storm heads to Earth. Here’s what to know about northern lights

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