Greta Jimenez
Greece is a country with a rich history and a strong economy, boasting many industries that supply countries worldwide with their produce. However, with a population of around 10.7 million people and a significant presence in tourism, food production, shipping, and exportation, Greece faces several environmental issues, particularly concerning pollution. The country's natural environment is a major economic asset, providing ecosystem services such as drinking water, water for irrigation and industry, food, and habitat for biodiversity. However, rapid urbanization, industrial and agricultural intensification, inefficient energy generation, and tourism expansion have led to serious environmental problems. The main types of pollution in Greece include air pollution, water pollution, and coastline pollution.
| Characteristics | Values |
|---|---|
| Air pollution | Athens is one of the most polluted cities in Europe, with industrial and vehicular pollutants lingering in the atmosphere. |
| Forest fires | Forest fires contribute to air pollution, with smoke plumes travelling long distances and affecting air quality. |
| Vehicular emissions | Vehicles running on fossil fuels, such as diesel, contribute to air pollution, especially in provincial areas with older cars and motorbikes. |
| Industrial zones | Industrial areas, power plants, and factories contribute to air pollution, especially during spikes in energy demand in the winter months. |
| Photochemical smog | Athens experiences photochemical smog, caused by an excess of nitrogen oxides, hydrocarbons, carbon monoxide, ozone, and organic nitrates. |
| Health risks | Overexposure to polluted air can lead to irritation, allergies, skin rashes, coughing, chest infections, and increased asthma attacks, especially in vulnerable groups. |
| Abatement practices | Efforts to improve air quality include retiring old vehicles, implementing inspection programmes, and replacing old buses with new ones equipped with anti-pollution devices. |
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What You'll Learn
Industrial and vehicular pollutants in Athens
Athens, the capital of Greece, is one of the most polluted cities in Europe. The city's air quality is affected by industrial and vehicular pollutants, with vehicular emissions being the major contributor. The economic crisis in the late 2000s also impacted anthropogenic activity, leading to increased pollution. The ban on diesel fuels implemented in 1996 was lifted in 2012, causing a significant climb in vehicle-related pollutants. These emissions, including fumes and exhaust, constantly disturb the air quality and pose health risks to residents near traffic-dense areas or those commuting through busy roads.
Athens has a significant presence of industries centered around chemical and petroleum production, cement, and building materials. Additionally, multinational companies like Sony, Samsung, and Microsoft have developmental headquarters in the city. The concentration of industries and vehicles contributes to the overall pollution levels in Athens.
To address the issue of vehicular pollution, Athens implemented a retirement plan in 1991 to replace old cars with new ones equipped with catalytic converters. This initiative resulted in the retirement of 150,000 old cars in the city. Additionally, a national inspection program for controlling emissions from motor vehicles was introduced in 1994, which included regular inspections of private vehicles. The city also modified the working schedules of public and private employees during the summer months of 1994-1996 to reduce traffic congestion.
Athens has also taken steps to improve public transportation and make it more attractive to residents. This includes rescheduling bus routes to accommodate distant neighbourhoods and introducing dedicated bus lanes, which have significantly improved bus speeds. The city also implemented an odd-even traffic regulation system to control the number of vehicles in the city centre.
While these measures have been put in place to mitigate vehicular pollution, industrial pollution remains a significant concern. The presence of multiple industries and multinational companies contributes to the release of pollutants into the atmosphere. Athens is working to improve its air quality, but it continues to face challenges due to the high levels of industrial and vehicular pollutants.
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Forest fires
Greece, along with other Mediterranean countries, is located in an area often referred to as "a wildfire hotspot" by scientists. The hot and dry summers in this region provide favourable conditions for forest fires to ignite and spread rapidly. Climate change further exacerbates the problem, with increasing temperatures and drought-like conditions making wildfires more frequent and intense.
In 2025, Greece experienced a series of devastating wildfires that ravaged various regions, including the island of Evia, Chania in Crete, Kythira, Chios, and areas near Athens. These fires led to the evacuation of residents from multiple villages and caused significant damage to properties, forests, crops, and livestock. Strong winds, dry vegetation, and hot summer weather fuelled the flames, challenging firefighting efforts.
The impact of forest fires in Greece extends beyond the immediate destruction of natural resources. The ancient Greeks relied on the abundant resources of their land, including timber, water, and minerals. However, as the Greek civilization expanded, there was a gradual destruction of forests for firewood, charcoal production, and lumber. This historical exploitation of natural resources has contributed to ecological degradation and the loss of drought-resistant tree species, such as oaks and pines, that once formed the "sclerophyllous forest."
To combat forest fires, Greece has mobilized significant resources, including firefighters, aircraft, and vehicles. During the 2025 wildfires, Greece requested assistance from the EU Civil Protection Mechanism, deploying firefighting aircraft and helicopters to support ground crews. Despite these efforts, the fires resulted in injuries to firefighters and residents, loss of life, and property damage.
The increasing frequency and intensity of forest fires in Greece underscore the urgent need for a new approach to fire management and climate change mitigation. While the country continues to battle wildfires, the long-term effects on the environment and communities remain a pressing concern.
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Fossil fuels
Greece has made notable progress in reducing its dependence on fossil fuels, with its share of fossil fuels in the energy supply decreasing from 91% in 2011 to 82% in 2021. This is a significant improvement, but Greece still relies on fossil fuels more than the average IEA country, which stands at 78%.
To achieve its goal of net-zero emissions by 2050, Greece must continue to transition towards low-carbon sources of energy, such as nuclear power and renewable technologies like hydropower, solar, and wind. Greenpeace has actively campaigned for this transition, urging the Greek government to ban the construction of new fossil gas plants and phase out fossil gas by 2035.
Greece has taken steps towards this goal by phasing out oil boilers and replacing them with heat pumps and other clean alternatives. Additionally, the country has cut its dependence on Russian fossil fuel imports, boosting its LNG import capacity and diversifying its gas supplies.
However, Greenpeace and other environmental organizations have protested fossil fuel investment in Greece, highlighting the serious environmental impacts and contributions to the worsening climate crisis. They advocate for a transition to renewable energy sources, which will help protect the environment and ensure energy security for the country.
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Power plants and factories
Factories across the country also emit large amounts of pollutants. They utilize heavy machinery that runs on diesel and coal, and they release industrial chemicals into the atmosphere. For example, factories dealing with plastic creation or recycling emit burnt plastic fumes. The Gulf of Saronikos is one of the most polluted areas in Greece because 50% of the country's industrial facilities are located there.
Athens, in particular, has struggled with severe air pollution, with the government having to shut down or reduce the production of numerous industries on multiple occasions due to dangerous levels of smog. Over half of Greece's industries are located in the greater Athens area.
The country's strong economy and various industries, including a significant presence in tourism, food production, shipping, and exportation, contribute to the pollution levels. Rapid urbanization, industrial intensification, and tourism expansion put pressure on Greece's natural environment, leading to serious environmental issues.
While electric vehicles are being introduced, and improvements in fuel quality and public transport are helping, Greece still faces challenges in reducing air pollution. The recession has made it difficult to enforce environmental laws due to financial constraints. As a result, the country's air quality remains a concern, with potential health risks for its citizens.
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Tourism
Greece's rich natural environment is a major economic asset, providing ecosystem services such as drinking water, water for irrigation and industry, food, habitat for biodiversity, and tourism. However, the country is facing significant environmental challenges due to various factors, including tourism.
One of the main issues is plastic pollution. Greece's beautiful coastlines and crystal-clear waters are a significant draw for tourists, but the country struggles with managing the plastic waste generated by the tourism industry. Popular tourist destinations like Santorini, Mykonos, and cruise ship arrivals bring millions of visitors, but these areas lack the necessary waste management infrastructure. As a result, Greece buries almost 80% of its trash, with only a fraction being properly recycled. This waste ends up in oceans, soil, and land, damaging the environment and threatening the very experiences that attract tourists.
Another concern is the impact of tourism on water resources. As Greece experiences drought and water shortages, the excessive consumption of water by tourists puts additional pressure on already limited water resources, particularly on the islands. Overpumping to meet the high demand for water leads to irreversible salinization of groundwater aquifers.
Air pollution is also a significant issue in Greece, and tourism contributes to this problem. The increase in tourist arrivals, especially during the warmer months, leads to a rise in vehicular emissions as buses, trucks, and lorries are used to transport visitors and their luggage. This adds to the toxic air that residents and tourists breathe, impacting human health and the environment.
Additionally, unchecked construction and development driven by tourism are threatening Greece's cultural heritage and natural attractions. The construction of beachfront properties and resorts has led to the erosion of natural coastlines, and the wear and tear on ancient sites like the Acropolis and Delphi from millions of visitors is a growing concern.
To address these challenges, Greece is encouraged to adopt sustainable practices and promote eco-friendly tourism initiatives. This includes improving water management through rainwater harvesting, water recycling, and desalination plants. Stricter environmental regulations, limiting construction near coastlines, and establishing protected zones for marine biodiversity are also recommended. By balancing tourism with environmental stewardship, Greece can protect its natural assets and ensure a positive experience for visitors.
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Frequently asked questions
Many cities in Greece have recorded fairly high pollution readings over the last few years, with Athens being one of the most polluted cities in Europe. The air pollution in Athens is caused by industrial and vehicular pollutants, as well as forest fires.
Large amounts of industry, coupled with anthropogenic movement, are the main sources of air pollution in Greece. Some specific sources include industrial zones, power plants, factories, and vehicles that run on fossil fuels such as diesel.
Overexposure to polluted air can cause various adverse health issues, especially for vulnerable groups such as young children, the elderly, pregnant women, and those with pre-existing conditions or compromised immune systems. Short-term health risks include irritation to mucous membranes, triggering allergies or skin rashes, coughing, chest infections, and increased rates of asthma attacks.
Several measures have been implemented to improve air quality in Greece, particularly in Athens. These include the introduction of a retirement plan for old vehicles in 1991, the initiation of a national inspection program for controlling emissions from motor vehicles in 1994, and the replacement of old buses with new ones equipped with anti-pollution devices. Additionally, infrastructure projects such as the introduction of natural gas and the development of the metro system in Athens are expected to contribute to a decrease in atmospheric pollution levels.
