Weather is Making Allergy Season Worse

Weather is Making Allergy Season Worse

Climate Change and Pollen Allergies

  • Pre-1990s: Allergy seasons and pollen levels are within historical norms.
  • 1990s: Research indicates that ragweed pollen monitoring has been taking place at 11 locations in the central US and Canada since this decade as part of a national allergy monitoring network.
  • 1990-2018: Research by William Anderegg finds approximately a 21% increase in overall pollen concentrations in North America.
  • Since the Beginning of the 20th Century: The contiguous U.S. has experienced an increase of more than two weeks on average in the frost-free season.
  • Since the 1970s: The frost-free season has expanded by an average of at least 11 days in all nine of the U.S.'s distinct climate regions.
  • 1995: The US EPA begins tracking changes in ragweed pollen season length at 11 locations in the central United States and Canada.
  • 1995-2015: Analysis of ragweed pollen season data shows a lengthening of the season at 10 of the 11 studied locations, with more pronounced increases at higher latitudes. Winnipeg, Manitoba, sees the largest increase at 25 days.
  • 2011: A study estimates the economic impact of medically treating seasonal allergies in the United States to be $3.4 billion annually.
  • 2016: A study in Sweden analyzes the economic impact of allergic rhinitis, estimating an impact of about $1.43 billion in Sweden alone due to presenteeism, absenteeism, and medical treatment.
  • 2018: A study notes only 85 pollen stations operating in the U.S., highlighting a need for more comprehensive monitoring.
  • 2019: The Asthma and Allergy Foundation of America reports that ragweed pollen allergy affects an estimated 15.5 percent of all Americans.
  • 2019: An EPA study estimates that between 35,000 and 60,000 asthma-related emergency department visits were linked to pollen, projecting a potential 14% increase by 2090.
  • Early 2020s (anecdotal): Allergists report an increase in patients seeking treatment for seasonal allergies.
  • 2021: The CDC begins collecting data on the prevalence of seasonal allergies.
  • April 19, 2023: Samantha Harrington publishes an article in Yale Climate Connections highlighting research by William Anderegg and Brooke Lappe on the impact of climate change on worsening pollen allergies.
  • March 18, 2025: Kasha Patel publishes an article in The Washington Post detailing the "allergy capitals" of the U.S. for the previous year (2024), based on data from the Asthma and Allergy Foundation of America. Wichita, Kansas, is ranked the most challenging city.
  • April 9, 2024: Bridget Balch publishes an article in AAMC News discussing how warmer temperatures and "botanical sexism" are exacerbating seasonal allergies.
  • By 2050 (projected): Some computer models suggest that climate change could significantly increase airborne pollen loads, even in areas that currently have low loads.
  • Ongoing: Climate change continues to cause warmer temperatures, longer frost-free seasons, increased carbon dioxide levels, and altered precipitation patterns, all contributing to longer and more severe pollen seasons and worsening allergy symptoms.

Episoder(208)

Engineered for Hurricanes: The “Three Little Pigs” Were Almost Right

Engineered for Hurricanes: The “Three Little Pigs” Were Almost Right

Meteorology Matters examines the impact of hurricanes and extreme weather on residential buildings. Many Europeans believe their older buildings are stronger than American’s when in reality they’re not engineered to handle extremes, while survivorship bias may play a role in their perception. While many think the “Three Little Pigs” are the end all and be all of tough building examples, engineering plays a vital role in how those materials actually perform. Wood can actually perform better than concrete if it’s engineered better than brick for example. We analyze different building materials and construction techniques, exploring their resistance to high winds, storm surge, and flooding. Then dive into the importance of strong connections between building components, such as roofs and walls, and explore vulnerabilities in different types of construction, such as wood-framed homes. Highlighting the importance of understanding regional wind vulnerabilities and using building codes and design practices that meet local needs, research emphasizes the need to address the growing problem of residential building failures due to extreme weather events, particularly in areas prone to hurricanes and tornadoes.

21 Okt 202414min

NO, Hurricane Milton and Hurricane Helene were NOT Products of Weather Control but were Influenced by Climate Change

NO, Hurricane Milton and Hurricane Helene were NOT Products of Weather Control but were Influenced by Climate Change

We debunk the claim that Hurricanes Helene and Milton were artificially engineered or manipulated by the government, HAARP, or other individuals or groups. Experts in meteorology, geoengineering, and atmospheric research confirm that the technology needed to control or create hurricanes does not exist. They attribute the intensity of these storms to natural processes, emphasizing the role of climate change in intensifying hurricanes. We further expose the spread of misinformation online, particularly among right-wing influencers and accounts, highlighting the potential dangers of these unfounded theories. They underscore the importance of critical thinking and reliance on credible scientific sources in the face of such misinformation. While climate change may be influencing hurricanes in some ways, most notably by rapid intensification, these conspiracy theories lack real evidence and have no basis in science.

19 Okt 20249min

Tampa Soap Opera: Hurricane Evacuation Defier “Lieutenant Dan” Arrested After Surviving Helene and Milton on Boat

Tampa Soap Opera: Hurricane Evacuation Defier “Lieutenant Dan” Arrested After Surviving Helene and Milton on Boat

Joseph Malinowski, is the Florida man who went viral for his decision to ride out Hurricanes Helene and Milton on his small sailboat. He was dubbed "Lieutenant Dan" after the character in Forrest Gump because he was missing a leg among other similarities with the movie character and garnered considerable attention online. While he initially received support and even donations, Malinowski was eventually arrested for trespassing and failing to appear in court. We detail his legal troubles, as well as the concerns of his daughter who fears the attention will negatively impact her father.

19 Okt 20249min

Florida Homeowners Sell Due to Hurricanes, Flooding and Out of Control Costs

Florida Homeowners Sell Due to Hurricanes, Flooding and Out of Control Costs

Florida is facing a number of issues related to the insurance market and hurricanes. Insurance premiums are at an all-time high, with many homeowners facing an increase of up to 400%. The recent hurricanes, Helene and Milton, have caused billions of dollars in damage, further straining the insurance market. Some insurers are raising rates, while others are pulling out of the state entirely, leading to a shortage of insurance options. This is leading some homeowners to sell their properties at a loss, while others are hesitant to buy homes in Florida due to the risk of hurricanes. Despite the challenges, some residents are choosing to stay in Florida, citing the benefits of the state's weather, attractions, and overall lifestyle as outweighing the risks of hurricanes. There is also a growing interest in building hurricane-resistant homes, particularly domed structures, which have been proven to withstand even category 5 hurricanes. However, the high cost of building these homes presents a significant barrier for many.

18 Okt 202411min

Florida Always Near Top in Hurricane Building Codes

Florida Always Near Top in Hurricane Building Codes

The Insurance Institute for Business & Home Safety (IBHS) has published a report titled “Rating the States” that evaluates the building code enforcement and administration systems, as well as contractor licensing practices in the 18 Atlantic and Gulf coast states most vulnerable to hurricanes. Each state is assigned a score from 0 to 100 based on the state’s adoption, implementation, and enforcement of building codes designed to minimize windstorm damage. The report highlights states with the most effective building code systems, identifies areas for improvement, and emphasizes the importance of adopting modern building codes to reduce the devastating impacts of hurricanes. The IBHS report provides valuable insights into the effectiveness of state-level building codes and serves as a resource for policymakers to make informed decisions regarding building code regulations.

17 Okt 20247min

Miami King Tides: Flooding this Weekend and Beyond

Miami King Tides: Flooding this Weekend and Beyond

We explore the phenomenon of king tides and their increasing impact on coastal cities, particularly Miami. King tides are naturally occurring high tides that occur during specific lunar phases, amplified by the sun's gravitational pull. We discuss how these tides, exacerbated by rising sea levels due to climate change, are causing frequent sunny-day flooding in Miami and other coastal areas. We highlight the growing threat of these floods to infrastructure, businesses, and the overall well-being of coastal communities. The need can’t be emphasize enough for proactive planning and investment in mitigation strategies to address the escalating problem of king tides.

16 Okt 20247min

Mental Health Check: Hurricane Fatigue and PTSD After Helene and Milton

Mental Health Check: Hurricane Fatigue and PTSD After Helene and Milton

We examine the mental health consequences of hurricanes, specifically focusing on the hurricane fatigue, prevalence of post-traumatic stress disorder (PTSD), anxiety, and depression in hurricane-affected populations. We highlight the compounding effects of repeated hurricanes on mental health, as well as the role of environmental factors like green space and social support in mitigating those effects. We also provide recommendations for individuals and communities on how to cope with hurricane-related stress and trauma, and emphasize the importance of seeking professional help when needed.

15 Okt 202410min

Where Will Home Prices Go After Hurricanes Helene & Milton?

Where Will Home Prices Go After Hurricanes Helene & Milton?

The sources discuss the impact of Hurricane Helene on the housing markets in Florida, particularly in the Tampa Bay area. Several articles note that, following the devastation caused by Hurricane Helene and previous hurricanes, home prices tend to increase, as wealthier buyers move in and take advantage of the reduced housing supply. However, this influx of wealthier buyers can displace longtime residents, causing a shift in the social fabric of the community. The articles also highlight the challenges faced by homeowners with limited resources and how insurance rates and government assistance contribute to these trends.

14 Okt 202413min

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