Climate change is already impacting our lives negatively
Ahmad al-Rubaye/AFP via Getty Images
When considering the dangers posed by climate change, floods and violent storms might come to mind, or even unprecedented heat waves. A study conducted in the latter half of 2024 revealed that most Americans view extreme weather as the chief climate threat. Yet, climate change disrupts daily life in many other persistent ways.
“These events significantly impact people’s lives but often don’t make headlines,” states Jennifer Carman from Yale University.
These more subtle consequences of climate change may seem trivial compared to disasters, like worse allergies or increased commute times, but they collectively signify major shifts, according to Carman. Understanding these issues is crucial for individuals to brace for climate changes affecting their everyday experiences. Remarkably, around half of Americans report feeling the effects of climate change a decade ago—double the number of those who don’t.
“Not everyone is affected by severe events,” Carman remarks. “However, everyone experiences the impacts of daily life consistently.”
Climate change drives up food prices and more
Elevated temperatures associated with climate change inflate prices. In a study by Fridrikik and her team at the European Central Bank, they identified strong correlations between temperature and numerous global price indices. They discovered that higher average temperatures lead to both inflation and extreme weather, particularly in equatorial regions, with impacts persisting year-round.
They projected that by 2035, this would escalate annual price inflation rates by 0.5% to 1.2% for various goods, depending on global greenhouse gas emissions. Agriculture is notably susceptible to weather variations, meaning its price impacts may be about twice as significant. “This unpredictability complicates food production,” Carman notes.
Air conditioning usage is rising and becoming more costly
Increasing temperatures escalate air conditioning expenses. In hotter regions, users will need to operate their air conditioners longer and more frequently. This demand can exceed affordable energy bills.
Individuals in previously temperate areas, such as London or the US’s Pacific Northwest, find themselves needing to install air conditioning for the first time. Globally, soaring cooling expenses negate any reductions in heating costs.
Hot weather disrupts sleep
Even with air conditioning, high nighttime temperatures can hinder sleep quality. Research by Renjie Chen from the University of Hudan, along with colleagues, assessed over 20 million nights of sleep data from hundreds of thousands in China. They found that a 10°C rise in night temperature could raise the likelihood of insufficient sleep by 20%. Under severe emissions scenarios, they estimate that each individual in China might lose about 33 hours of sleep per year by the century’s end.
This isn’t just a localized issue. Research by Kelton Minor from Columbia University showed that elevated nighttime temperatures correlated with reduced sleep across tens of thousands of individuals in 68 countries. Findings suggest higher nighttime temperatures result in decreased sleep—mainly affecting older adults and women in hotter, poorer regions.
Climate change intensifies air pollution
Air pollution poses serious health risks, whether from PM2.5 particles or ozone. Recent research indicates that combining higher temperatures with existing pollutants can exacerbate the harmful effects of air quality, particularly among those who spend extended time outdoors.
It can raise temperatures, leading to increased air pollution by surge electricity demands, often serviced by “peaker plants” designed for peak demand; the worst emitting fossil fuel plants.
Historically, fossil fuel-driven pollution has decreased as power grids have become cleaner, yielding public health benefits. However, as climate change fuels more frequent and severe wildfires, decades of progress may be undone, exposing communities to wildfire smoke. One study forecasts that increased smoke exposure could lead to around 700,000 additional deaths in the U.S. by 2050.
Allergies are worsening with global warming
Increased atmospheric carbon dioxide levels lead to longer warm seasons and higher pollen production, exacerbating allergy symptoms. Many individuals have noticed this trend. According to Carman, annual data shows that 38% of respondents believe their allergy seasons have worsened.
Supporting evidence aligns with anecdotal perceptions; William Andreg from the University of Utah and his team found that the pollen season in North America has lengthened since the 1990s, with overall pollen levels increasing by 21%. The majority of these changes have been attributed to human-induced warming.
Travel delays accumulate, whether long-haul or daily
Climate change is increasingly responsible for weather-related interruptions in transportation systems, leading to billions of wasted hours.
For instance, Valerie Mueller and colleagues from Arizona State University studied the impact of routine coastal flooding on commute times in the eastern U.S. They estimated individuals experience about 23 minutes of delays annually due to these floods, which is double the time recorded 20 years ago. Their analysis revealed these delays stem mainly from rising sea levels rather than extreme storm surges.
While a handful of extra minutes might seem negligible, it accumulates to billions of lost hours overall. Over the coming decades, further sea level rise could escalate delays to hundreds of minutes per person annually.
Weather-induced delays are also increasing in train services and airports. The International Air Transport Association reported that weather-related delays rose from 11% of total delays in 2012 to 30% in 2023. Additionally, even if passengers board their flights, climate change can exacerbate certain turbulence, contributing to rougher flights.
Topics:
- Climate Change/
- Air Pollution
Source: www.newscientist.com
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