Related Experiment Video
Updated: Jun 4, 2025
08:17
Generation of a Chronic Obstructive Pulmonary Disease Model in Mice by Repeated Ozone Exposure
Published on: August 25, 2017
10.9K
Substantially underestimated global health risks of current ozone pollution
Yuan Wang1, Yuanjian Yang1, Qiangqiang Yuan2
1School of Atmospheric Physics, Nanjing University of Information Science and Technology, Nanjing, China.
Nature Communications
|January 2, 2025
Summary
Global ozone pollution affects most people, with significant health impacts and mortality risks, especially in Asia and the US. This study reveals underappreciated ozone-related health burdens worldwide.
Area of Science:
- Environmental Science
- Public Health
- Atmospheric Chemistry
Background:
- Ozone's health impacts may be underestimated globally.
- Accurate assessment of ozone pollution and its health burden is crucial.
Purpose of the Study:
- To assess current global ozone pollution using high-resolution estimations.
- To determine population exposure and all-cause mortality burden attributed to ozone.
- To identify regions with high ozone exposure and mortality.
Main Methods:
- Utilized a geo-ensemble learning model for high-resolution (0.05°) ozone estimation.
- Validated model performance against in-situ measurements (mean bias < -1.5 ppb).
- Analyzed population exposure and ozone-attributable mortality.
Main Results:
- 66.2% of the global population faces short-term excess ozone exposure (>30 days/year).
- 94.2% of the global population experiences long-term ozone exposure.
- High ozone levels and mortality burdens observed in croplands, Asia, and the western US.
- Ozone-attributable deaths significantly exceed previous estimates.
Conclusions:
- Global ozone pollution poses significant, underappreciated health risks.
- Ozone exposure and associated mortality burdens are widespread.
- Targeted interventions in high-risk regions like Asia and the western US are needed.
Related Concept Videos
01:36Types of Toxins
1.6K
Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
1.6K
01:50Threats to Biodiversity
22.1K
There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
22.1K
01:26Stress Prevention and Stress Management Techniques IV
26
Stress often leads to unhealthy habits like smoking, excessive drinking, and overeating, which offer short-term relief but ultimately increase long-term health risks. These behaviors create a cycle that temporarily lowers stress levels but can result in severe long-term health consequences. Breaking these habits is essential to reduce the risk of chronic diseases and improve overall well-being. Three primary changes that support better health include quitting smoking, reducing alcohol intake,...
26
01:50Global Climate Change
24.2K
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
24.2K
03:40Hess's Law
44.4K
There are two ways to determine the amount of heat involved in a chemical change: measure it experimentally, or calculate it from other experimentally determined enthalpy changes. Some reactions are difficult, if not impossible, to investigate and make accurate measurements for experimentally. And even when a reaction is not hard to perform or measure, it is convenient to be able to determine the heat involved in a reaction without having to perform an experiment.
44.4K
01:16What is Climate?
18.3K
Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. Weather is what you get.” Climate is influenced by geographic factors, such as latitude, terrain, and proximity to bodies of water.
18.3K