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Culture / 7 weeks ago
What countries celebrate on their National Days
National days are more than holidays as they reflect how nations define their own identity. A new world map breaks down the reasons countries celebrate their national days, whether it’s independence, revolution, unification, the founding of government, or even a saint’s feast. Red marks countries that commemorate independence (the largest category). Orange shows nations that mark the formation of government. Yellow indicates unification moments, green reflects revolution, blue for saint days, purple for discovery, and pink for other reasons or when the reasoning doesn’t fit neatly into those categories. The striped pattern indicates where no data is available.
Environment / 7 weeks ago
The world’s most polluted countries
Air pollution remains one of the world’s most pressing environmental and health threats. The latest IQAir 2024 World Air Quality Report paints a troubling picture, showing that millions of people still breathe air far above safe health limits. According to the report, Chad, Bangladesh, Pakistan, the Democratic Republic of Congo, and India were the world’s most polluted countries in 2024, with air quality levels many times higher than the guidelines set by the World Health Organisation (WHO).
