Scientific Studies Highlight Climate Change as Health Threat Amid Trump’s Dismissal

Feb 14, 2026, 2:35 AM
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The Trump administration recently revoked a significant scientific finding that climate change poses a danger to public health, a claim that former President Donald Trump dismissed as "a scam." However, numerous scientific studies have documented the quantifiable health risks associated with climate change, emphasizing its role in increasing disease and mortality rates in a warming world.
Research indicates that climate change is responsible for thousands of deaths each year, particularly in the United States. For instance, a study published in the prestigious JAMA journal revealed that the annual count of heat-related deaths more than doubled from 1999 to 2023, rising from 1,069 to a record high of 2,325. Additionally, a 2021 study in Nature Climate Change found that over one-third of heat-related deaths can be attributed to human-caused climate change, equating to more than 9,700 deaths globally each year due to the burning of fossil fuels.
A recent study highlighted that 2.2% of summer deaths in Texas from 2010 to 2023 were heat-related, correlating with the increasing frequency and intensity of heatwaves due to climate change. These findings are part of a larger body of research; since the government first recognized climate change as a public health danger over 15 years ago, more than 29,000 peer-reviewed studies have examined its intersection with health, with more than 60% of these published in just the last five years.
Dr Howard Frumkin, a public health expert, emphasized the overwhelming consensus among researchers: "Study after study documents that climate change endangers health, for one simple reason: It's true." He criticized the administration's decision to rescind the endangerment finding, likening it to denying fundamental scientific truths.
Contrarily, Trump has stated that climate change has no connection to public health, asserting, "This is all a scam, a giant scam." Experts in the field, however, strongly refute this claim. Dr Jonathan Patz, who leads the Center for Health, Energy and Environmental Research at the University of Wisconsin-Madison, noted that climate risks are already impacting health, citing the 2021 heat dome that resulted in over 600 fatalities in the Northwest. Attribution studies indicate that this event was made 150 times more likely due to climate change.
The body of research on climate-related health impacts is diverse, encompassing studies on not only heat-related deaths but also illnesses and injuries that do not result in death. Different methodologies and timeframes lead to varied conclusions; however, the consensus remains that climate change significantly heightens health risks. Researchers employ attribution studies to assess the proportion of deaths or illnesses attributable to human-caused climate change, revealing alarming trends.
An international research team recently endeavored to calculate the annual health costs associated with climate change, incorporating various death types, including those from heat waves and extreme weather events like Hurricane Harvey. They estimated that climate change results in hundreds of thousands of deaths globally and calculated a yearly economic impact of at least $10 billion.
Moreover, climate change is linked to a range of health issues beyond temperature-related deaths. Research connects it to waterborne infections, mental health challenges, and nutrition-related problems. Dr Lynn Goldman from George Washington University highlighted the broader implications of climate change on public well-being, noting the displacement of communities due to rising sea levels and severe weather events.
The health implications of climate change also vary across demographic and geographical lines, with vulnerable populations often bearing the brunt of these impacts. While cold-related mortality is decreasing, it continues to outweigh heat-related deaths in the US, with studies indicating that cold exposure results in 13 times more fatalities than heat exposure. However, predictions suggest that as global temperatures rise further, the balance may shift, leading to rapidly increasing mortality rates if adaptations are not made.
In conclusion, while the Trump administration's dismissal of climate change as a public health threat contradicts a wealth of scientific evidence, the ongoing research continues to reveal the profound and complex ways in which climate change is endangering health. The pressing need for policy action and public awareness on this issue has never been clearer.

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