
Air pollution is a pressing issue that affects people all over the world. It is caused by a variety of human activities, such as the use of emission-releasing products and certain habits that contribute to the release of ozone-depleting substances and greenhouse gases. While some sources of air pollution, like natural wildfires, volcanic activities, and radioactive decay, are beyond our control, there are many everyday things that people do that contribute to air pollution. From the use of aerosol deodorants and household cleaners to the burning of plastics and garbage, people are often unknowingly contributing to the problem.
What You'll Learn
Burning fuel for cooking, heating, and lighting
Burning solid fuels like wood, charcoal, coal, dung, and crop residues for cooking, heating, and lighting is a major source of indoor air pollution. This practice releases dangerous particulate matter, carbon monoxide, and other toxic pollutants, leading to indoor air pollution levels that far exceed the World Health Organization's air quality guidelines.
The World Health Organization estimates that at least 2.3 billion people rely on burning solid fuels for their basic energy needs, often using rudimentary stoves or three-stone fires. This method of burning solid fuels indoors has significant health implications, with women and girls being disproportionately affected. The pollution released from these fuels contributes to an increased risk of various diseases, including lung cancer, cataracts, and other health issues such as ADHD and emotional problems in children.
Additionally, the use of polluting cooking fuels and technologies is a major source of environmental degradation and climate change. The black carbon emitted from cooking, heating, and lighting accounts for 25% of anthropogenic global black carbon emissions, and around 30% of wood fuels harvested globally are unsustainable. The collection of wood fuel for cooking and heating contributes to forest degradation, with up to 34% of wood fuel being harvested unsustainably.
To address these issues, it is essential to transition to cleaner fuels and improved stoves. Cleaner fuel options include coal gas, natural gas, liquefied petroleum gas (LPG), and electricity. Improved biomass stoves can reduce emissions by 50-80%, while clean-fuel stoves can achieve reductions of over 95%. By adopting these cleaner alternatives, we can significantly reduce the pollution, health risks, and environmental degradation associated with burning solid fuels for cooking, heating, and lighting.
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Using aerosol deodorants and air fresheners
Aerosol deodorants and air fresheners are a significant source of indoor and outdoor air pollution. They release harmful volatile organic compounds (VOCs) into the air, which can have adverse effects on human health. VOCs are emitted directly from the fresheners and also through secondary reactions with other compounds in the air, such as ozone. These secondary reactions can produce pollutants such as formaldehyde, which is known to be hazardous. The types and amounts of VOCs emitted depend on the fragrance composition of the product rather than the type of air freshener or deodorant. This makes it challenging for consumers to make informed choices, as manufacturers are not required to disclose the complete list of ingredients.
The use of aerosol deodorants and air fresheners has been linked to various health issues. Even at relatively low levels, exposure to these products can lead to migraine headaches, asthma attacks, lung irritation, breathing difficulties, dermatitis, and neurological problems, especially in sensitive individuals. The high concentrations of VOCs found in indoor environments can have more severe consequences, including nervous system damage and an increased risk of certain types of cancer.
To reduce the environmental and health impact of aerosol deodorants and air fresheners, consumers can opt for alternative products. Roll-on deodorants, for example, come in recyclable packaging and contain fewer harmful chemicals. They do not contribute to air pollution as they do not contain VOCs. For air freshening, diffuser sticks offer a visually appealing and longer-lasting alternative to aerosol fresheners. Reed diffusers are also safer as they do not require a flame to function, and their components are sustainable. Passive air care systems, such as the Citron Hygiene EcoAire, improve air quality by releasing an odour-neutralizing formula without the use of aerosols or propellants.
Making small changes in our product choices can significantly improve air quality and reduce the health risks associated with aerosol deodorants and air fresheners.
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Driving cars and operating heavy industries
To reduce car pollution, individuals can opt for fuel-efficient, hybrid, or electric vehicles, maintain their cars properly, and drive less or more efficiently by observing speed limits, accelerating gradually, and avoiding excessive idling.
Heavy industries, such as energy, shipping, manufacturing, and automobiles, are also major sources of primary air pollutants. The production of steel, cement, and ammonia emits a significant portion of anthropogenic CO2, and the chemical reactions involved in industrial processes release harmful pollutants. The areas surrounding industrial developments often experience disproportionately high levels of air and water pollution, which can have detrimental effects on the health and well-being of local communities.
To address pollution from heavy industries, governments and organizations are investing in projects aimed at spurring a green revolution. Technologies like carbon capture and storage (CCS) and "green hydrogen" are being explored to reduce carbon emissions and decarbonize high-polluting sectors.
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Throwing away plastic and chewing gum
Microplastics, resulting from the breakdown of plastic items, have been found in various aquatic species, including those consumed by humans. These microplastics can block digestive tracts or pierce organs, leading to the deaths of marine organisms. Additionally, plastic additives can extend the life of products, further exacerbating the issue. Rivers play a significant role in transporting plastic waste to the oceans, with coastal waters being particularly affected. The impact of plastic pollution is evident on a global scale, as demonstrated by the plastic items from various countries found on Henderson Island in the South Pacific.
Chewing gum, often made from oil-based synthetic rubbers, is another form of plastic pollution. It is not biodegradable and can take hundreds of years to decompose, posing a significant environmental concern. The improper disposal of chewing gum, with 80% to 90% of gum not being disposed of properly, leads to unsightly sidewalks and roads. While efforts like the UK's Chewing Gum Task Force aim to address the issue, the focus on cleaning up gum litter rather than tackling the root cause has been criticized.
The environmental impact of throwing away plastic and chewing gum is evident, contributing to the growing global concern about pollution. Addressing these issues requires recognizing the root causes and promoting sustainable alternatives, such as eco-friendly gum options, to reduce the harmful effects on the environment and human health.
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Using pesticides and household cleaners
Pesticides and household cleaners are designed to kill or repel unwanted organisms, but they can also have unintended consequences. For instance, Triclosan, an antimicrobial pesticide found in many household products, has been linked to negative long-term health effects. Additionally, the strong scents in these products often come from chemicals like phthalates, which can be dangerous when inhaled over extended periods.
The use of toxic chemicals in household cleaners poses significant health risks. Research from the University of Bergen in Norway suggests that using cleaning products just once a week for 20 years may be equivalent to smoking 20 cigarettes a day for a decade or two. The chemicals in these products can irritate the mucous membranes lining the lungs, leading to potential lung damage.
To safeguard your health and reduce pollution, it is essential to switch to non-toxic and eco-friendly alternatives. Baking soda, for example, is a versatile natural ingredient that can be used for cleaning, whitening, and deodorizing. Castile soap, derived from vegetable and plant oils, is another excellent alternative to traditional soaps and cleaners, free from potentially harmful substances like parabens.
Essential oils also offer a wide range of antibacterial, antifungal, and antiviral properties and can be added to homemade cleaning solutions. Lavender oil, for instance, can be combined with baking soda to create a scrub with antibacterial properties. Other popular essential oils for cleaning include lemon, peppermint, tea tree, and sweet orange, which have been shown to be effective against various viruses and bacteria.
By opting for these natural alternatives, you can effectively clean your home while reducing your impact on the environment and protecting your health.
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Frequently asked questions
Many household items can pollute the air, including air fresheners, cleaners, deodorants, and body sprays, which release harmful air-polluting particles. Carpets and rugs can also emit VOCs from adhesives, dyes, and backing materials, and they trap dust, dirt, and allergens over time. Furniture made from pressed wood or particleboard emits formaldehyde and other VOCs. Pesticides release harmful chemicals that can cause respiratory problems and skin irritation.
Some everyday habits that cause pollution include leaving the tap running while brushing your teeth, drinking bottled water, and throwing chewing gum on the ground. Bottled water releases harmful microparticles and takes 500 years to break down. Chewing gum chokes and kills birds and other animals that mistake it for food.
Human activities such as driving vehicles, burning fossil fuels, and using chemical products release pollutants into the air. These activities contribute to global warming and climate change, with short-lived climate pollutants like methane, black carbon, and ground-level ozone having an outsized impact.