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Air pollution is a mixture of particles and gases that can achieve harmful concentrations outdoors and indoors.
Its effects can range from higher disease risk to rising temperatures.
Soot, smoke, mold, pollen, methane and carbon dioxide are just a few examples of common contaminants. In the U. S.
, A measure of outdoor air pollution is the air quality index, that is, AQI, rating the national air condition according to the concentration of the five major pollutants: Ground-
Pollution of ozone and particles (
Or particulate matter)
Carbon monoxide, sulfur dioxide and sulfur dioxide.
Some of them also cause indoor air pollution with radon, cigarette smoke and volatile organic compounds (VOCs)
Formaldehyde, asbestos and other substances.
Poor air quality can lead to death.
Worldwide, four people have died due to poor outdoor air quality.
2 million premature deaths in 2016, 90% of them lowand middle-
According to the World Health Organization, income countries.
Indoor smoke poses an ongoing threat to the health of 3 billion people who cook and warm themselves by burning biomass, kerosene and coal.
Air pollution is associated with an increase in the incidence of respiratory diseases such as cancer, heart disease, stroke and asthma. In the U. S.
Nearly 0. 134 billion of the disease and the risk of premature death of nearly 40% of the population, because of air pollution, according to the American Lung Association estimates.
When these effects from the long term
Air pollution can also cause short-term pollution.
Term issues such as sneezing and cough, eye irritation, headache and dizziness.
Particles less than 10 microns (
It is classified as pm2. 5 and smaller pm2. 5. 5)
Because they can be deeply sucked into the lungs and may enter the blood, there is a higher risk of health.
Reduction of air pollutants
The direct impact of climate change on health.
Heat waves, extreme weather, disruption of food supply and other impacts associated with an increase in greenhouse gases may have a negative impact on human health. The U. S.
For example, the Fourth National Climate Assessment, released in 2018, noted that climate change "could expose more people in North America to ticks carrying Lyme disease and mosquitoes that transmit West Nile virus, chikungunya, dengue fever and Zika virus.
"Although many organisms emit carbon dioxide when breathing, this gas is widely regarded as a pollutant when associated with cars, airplanes, power plants, and other human activities involving burning fossil fuels such as gasoline and natural gas.
This is because carbon dioxide is the most common greenhouse gas that captures heat in the atmosphere and causes climate change.
In the past 150 s, humans injected enough carbon dioxide into the atmosphere, making it higher than it has been in hundreds of thousands of years.
Other greenhouse gases include methane from sources such as landfill sites, natural gas industries, and gases emitted by livestock and fluorine-containing carbon (CFCs)
Until they were banned in late 1980, they have been used in refrigerant and aerosol propellant as their effects on the Earth's ozone layer have deteriorated.
Another pollutant associated with climate change is sulfur dioxide, an integral part of smoke.
Sulfur dioxide and closely related chemicals are mainly considered to be the cause of heavy rain.
However, when released in the atmosphere, they also reflect light, which makes it impossible for the sun to shine and produces a cooling effect.
A volcanic eruption spews a large amount of sulfur dioxide into the atmosphere, sometimes causing cooling for years.
In fact, volcanoes used to be the main source of sulfur dioxide in the atmosphere;
Today, people are.
Depending on the chemical composition, particles in the air can also have a direct effect separately from climate change.
They can change or drain nutrients in the soil and waterways, damage forests and crops, and destroy cultural icons such as monuments and statues.
All countries in the world are dealing with various forms of air pollution.
For example, China is making progress in cleaning up smog --
Due to years of rapid industrial expansion, part of the reason is to close or cancel coal
Thermal power plant. In the U. S.
California has been leading the way in setting emission standards aimed at improving air quality, especially in places such as the famous Los Angeles.
Various efforts are aimed at bringing cleaner cooking options to places where dangerous stoves are prevalent.
In any home, people can prevent indoor air pollution by increasing ventilation, detecting radon gas, using air purifiers, running kitchen and bathroom exhaust fans, and avoiding smoking.
Looking for paint and other products with low volatile organic content in home projects: Green Seal, UL (GREENGUARD), and the U. S.
The Green Building Council can help.
Various measures are needed to curb global warming, such as adding more renewable energy and replacing gasoline.
Zero Fuel car
Emissions Vehicles such as electric vehicles.
On a larger scale, governments at all levels pledged to limit emissions of carbon dioxide and other greenhouse gases.
The Paris agreement, which was ratified in November 4, 2016, is an effort to tackle climate change globally.
The Kigali Amendment seeks to further advance the progress made by the Montreal protocol by banning high temperatures
Capture hydrogen fluoride (HFCs)
In addition to carbon fluoride.