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  2. List of countries by air pollution - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_air...

    The following list of countries by air pollution sorts the countries of the world according to their average measured concentration of particulate matter in micrograms per cubic meter (μg/m 3). The World Health Organization's recommended limit is 5 micrograms per cubic meter, although there are also various national guideline values, which are ...

  3. Environmental Performance Index - Wikipedia

    en.wikipedia.org/wiki/Environmental_Performance...

    [10] Wealth allows countries to make investments in the infrastructure required to provide clean drinking water, safely manage waste, and rapidly expand renewable energy. But wealth also leads to higher material consumption and its associated environmental impacts, such as higher rates of waste generation, GHG emissions, and ecosystem degradation.

  4. List of least-polluted cities by particulate matter concentration

    en.wikipedia.org/wiki/List_of_least-polluted...

    Below is a list of 526 cities sorted by their annual mean concentration of PM2.5 (μg/m 3) in 2022. [1] [2] By default the least polluted cities which have fewest particulates in the air come first.

  5. List of most-polluted cities by particulate matter concentration

    en.wikipedia.org/wiki/List_of_most-polluted...

    The January 2024 version of the WHO database contains results of ambient (outdoor) air pollution monitoring from almost 5,390 towns and cities in 63 countries. Air quality in the database is represented by the annual mean concentration of particulate matter (PM10 and PM2.5, i.e. particles smaller than 10 or 2.5 micrometers, respectively). [1 ...

  6. List of countries by access to clean water - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    An improved water source, as defined by the World Health Organization (WHO), refers to a drinking water source that provides adequate and safe water for human consumption. Examples of improved water sources include piped water connections, protected wells, boreholes with hand pumps, packaged or delivered water and rainwater collection systems ...

  7. The Cleanest (And Most Disgusting) Cruise Ships of 2024 ... - AOL

    www.aol.com/cleanest-most-disgusting-cruise...

    It’s now the ship that the cruise line uses for its Grand World Voyage cruises, which can be as long as 124 days and cost over $22,000 per person. ©TripAdvisor Carnival Cruise Lines

  8. List of countries by greenhouse gas emissions - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    GHG emissions from the top 10 countries with the highest emissions accounted for almost two thirds of the global total. Since 2006, China has been emitting more CO 2 than any other country. [8] [9] [10] However, the main disadvantage of measuring total national emissions is that it does not take population size into account.

  9. Trump, DeepSeek in focus as nations gather at Paris AI Summit

    www.aol.com/news/trump-deepseek-focus-nations...

    About a year after world powers reckoned with the dangers of AI in England’s Bletchley Park, a wider array of countries are gathering in Paris to discuss putting the technology to work.