New study estimates the carbon footprints of 13,000 cities

Cologne, Manchester, and Montreal rarely make the list of the world's megacities. Yet they are all in the top 100 worldwide in terms of their carbon footprint. A new study says it is these cities, as much as the Jakartas ...

Hamburg leads charge with Germany's first diesel ban

Hamburg on Thursday became the first German city to ban older diesel vehicles from some roads, a measure that is largely symbolic but disputed by carmakers and the government.

Japan's vaunted alert system runs up against limits

On January 5, as Tokyo's commuters were struggling back to work after their long New Year break, blaring sirens from every phone pierced the sleepy atmosphere: "strong" earthquake coming.

Census data can level the playing field for small businesses

Local governments and small businesses could save thousands of dollars a year in consulting and research fees if they just used information that's already publicly available, according to research from the University of Waterloo.

Philippines plans forced evacuations around erupting volcano

Philippine authorities who have declared a no-go zone around an erupting volcano said Thursday they will remove all holdouts, by force if necessary, to avoid casualties after tens of thousands of other residents fled to safety.

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