In 1962, Vice President Lyndon B. Johnson stood before a university audience and made a statement that should still echo loudly today: “He who controls the weather will control the world.” At the time, it may have sounded like ambition — or speculation. Today, it sounds like a warning. We are now living in an era where geoengineering is no longer theoretical — it is openly discussed within scientific and government circles. Proposals such as solar radiation management — introducing reflective particles into the atmosphere— are being explored as potential climate interventions. And with that comes a question that cannot be ignored: At what cost to human health — and who decides?

We already know one undeniable truth: what enters our air enters our bodies. Science has long established that airborne particulate matter can contribute to respiratory illness, cardiovascular strain, and neurological stress. Within geoengineering discussions, aerosolized materials such as sulfur compounds and other reflective particulates have been studied. The long-term biological effects of introducing such materials at scale remain uncertain. That uncertainty alone should demand caution.

At the same time, weather patterns are becoming more extreme, more erratic, and less predictable. Stronger storms, deeper droughts, unusual temperature swings, and intensifying fire behavior are now part of our lived experience. Mainstream science attributes much of this to climate change — but another question lingers: If we are experimenting with the atmosphere, could there be additional influences we are not fully accounting for?

Look up. Many people have observed a pattern: a clear blue sky in the morning, followed by long, persistent trails that spread and widen, eventually forming a hazy blanket overhead. We are told these are condensation trails — contrails — formed by aircraft under specific conditions. And yes, contrails are real. But what many are seeing goes beyond a single passing line. Grid-like patterns. Intersecting trails. Expansive coverage that lingers for hours. If flight paths are structured and efficient, why do these patterns appear to layer and intersect so frequently? Are we simply witnessing atmospheric conditions, or something more?

Even the scientific community has expanded classifications of cloud formations in recent years, reflecting evolving atmospheric observations. At the same time, independent watchdog groups such as geoengineeringwatch.org continue to raise questions. The point is not blind agreement. The point is that the conversation exists, and it deserves transparency. Across the United States, including discussions in states like New Hampshire, concerns have been raised about geoengineering and the need for further investigation.

This should concern all of us. Because if the possibility of altering our atmosphere is even on the table, it is no longer a fringe issue — it is a public health issue. So where are our leaders? Where are voices like U.S. Sens. Elizabeth Warren and Ed Markey, or U.S. Rep. Ayanna Pressley — longtime advocates for environmental and public health? Where is the Environmental Protection Agency, charged with protecting the air we breathe? Where is the Federal Aviation Administration in addressing what is happening in our skies?

These are not accusations. They are questions — and they deserve answers. Because environmental exposure matters. Airborne particulates can affect respiratory, neurological, and overall biological function. Soil, water, and agriculture are equally connected. If the systems that sustain life are altered, even unintentionally, the consequences extend far beyond the present moment.

Some will dismiss these concerns. But history has shown us that ignoring difficult questions has never protected us. It has only delayed understanding. This is not about fear. It is about awareness. It is about accountability. It is about protecting future generations. Because if we are altering the skies above us in any capacity, we are shaping the foundation of life itself. And once again, those words echo: “He who controls the weather will control the world.”

Peter Seymour Howe lives in Montague.