Estonia is frequently ranked as the cleanest country in the world, topping the Environmental Performance Index (EPI) with a 2024 score of 75.3–75.7, due to its exceptional air quality,,, , and commitment to protecting its natural environment. Other top contenders for the cleanest nation include Singapore, known for strict,,, , urban cleanliness, and Switzerland, praised for its,, , , and water quality.
While there are a few places that boast extremely clean water, such as Canada, Iceland, Antarctica, or even Upstate New York, the team of scientists determined that the cleanest water in the world was in the Patagonia region of Chile, Puerto Williams.
In India, while there is a gradual increase in public involvement in cleanliness initiatives, significant challenges remain. Littering in public areas, disposing of waste in rivers, and failing to separate household garbage are widespread issues.
The United States, United Kingdom, Canada rank in the top 20-30% of the world's cleanest countries. They each have safe water and full sanitation services.
In summary, the tap water in the UK is classed as one of the safest and purest water supplies in the world. It is required by law to be fit for human consumption and UK water companies must test mains water for a reassuringly long list of micro-organisms and chemicals.
Longest and largest river in West Java, Indonesia. Described by the Asian Development Bank as the world's most polluted river. 2,000 industries, primarily textile factories, contaminate 5,020 sq miles of the river with over 20,000 tons of waste and 340,000 tons of wastewater daily.
Boiling water can only remove solids and bacteria, meaning it will not remove harmful substances such as chlorine and lead from tap water. Furthermore, boiling tap water with lead actually concentrates this contaminant making it more dangerous than if left alone.
Dundee has been ranked as the cleanest city in the UK. Dundee has been ranked as the UK's leader in environmental health, scoring highest in air and drinking water quality in a new study by Waste Direct. The city achieved a composite score of 82.00, making it the healthiest place in the UK to breathe and drink.
The cleanest country in the world is Estonia, according World Population Review's Cleanest Countries in the World 2025. The most sustainable countries include Honduras, Moldova, Norway, Sweden, New Zealand, and the UK, based on varying environmental, social and economic factors.
What are the top 10 safest countries in the world?
Iceland, Ireland, New Zealand, Austria, and Switzerland consistently rank as the top 5 safest countries globally, according to major peace and security indexes like the Global Peace Index, known for low crime, political stability, and strong social systems, followed by nations like Singapore, Portugal, Denmark, and Slovenia.
1. Pollution is the introduction of substances or energy (such as light or heat) into the natural environment in amounts or concentrations that can be harmful for humans, animals, and plants.
Nearly 85% of rural drinking water comes from the groundwater, and yet the groundwater is significantly contaminated with nitrates, heavy metals, microbes, and industrial toxins. This contaminants have been leading to an increase of developmental disorders and waterbourne illnesses among the rural populations in India.
While UK tap water is generally safe, areas in the South and East, like Norwich, Leicester, Southampton, London, and Birmingham, often rank as having the worst tasting water due to hardness from chalk/limestone, though some reports also flag Wessex Water and United Utilities (North West) for poor quality/taste, and pollution hotspots exist, notably PFAS near Duxford/Cambridge and past contamination issues in the North.
No, not really. Even though homes and hotels are supplied with water safe for drinking, there are too many variables to consider to completely guarantee its safety. So it's best to avoid drinking from a bathroom tap if you can. Stick to bottled water or a kitchen tap.
The independent water commission's report compared the different nations of the UK, and found Scotland had more water bodies achieving 'good' status compared to England and Wales. Scotland's percentage of 'good' condition water bodies was 66 per cent, compared with 16 per cent in England, and 30 per cent in Wales.
Rates of obesity, high blood pressure and high cholesterol are lower among British adults in midlife compared to their counterparts in the US, according to a new study led by UCL researchers.
Where is the nicest safest place to live in the UK?
If you are looking for the safest places to live in the UK right now, recent crime-index data points you towards elegant market and cathedral cities such as Harrogate, Wokingham, Chester, Sevenoaks and Horsham, along with low-crime areas like St Albans, Salisbury, Windsor, Guildford, Lincoln, Norwich and Bath.
