World Cities Ranked by Average Annual Sunshine Hours

The sunniest city on Earth is Yuma, Arizona in the U.S. As the driest city in the U.S., Yuma receives less than 200 millimeters (8 inches) of rainfall and endures roughly 100 days of 40°C (104°F) weather every year. Yuma lies between the Gila and Colorado rivers, in a lush region that produces almost 90% of leafy vegetables grown in the U.S.

Ranked: The Megaregions Driving the Global Economy

If you’ve ever flown cross-country in a window seat, chances are, the bright lights at night have caught your eye. From above, the world tells its own story—as concentrated pockets of bright light keep the world’s economy thriving. Today’s visualization relies on data compiled by CityLab researchers to identify the world’s largest megaregions. The team defines megaregions as: Areas of continuous light, based on the latest night satellite imagery Capturing metro areas or networks of metro areas, with a combined population of 5 million or higher Generating economic output (GDP) of over $300 billion, on a PPP basis The satellite imagery comes…

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