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Mapping The World’s River Basins By Continent

There are hundreds of rivers on Earth’s surface, moving freshwater from hills and mountains down to larger rivers, lakes, and oceans.

Thanks to the planet’s natural slopes and ridges, falling rain that isn’t absorbed by soil or evaporated also ends up in nearby rivers. This area—where all flowing surface water converges—is called a river basin, drainage basin, or watershed.

When Will Air Travel Return to Pre-Pandemic Levels?

When Will Air Travel Return to Pre-Pandemic Levels?

Many industries were hit hard by the global pandemic, but it can be argued that air travel suffered one of the most severe blows.

The aviation industry as a whole suffered an estimated $370 billion loss in global revenue because of COVID-19. And while air travel has been slowly recovering from the trough, flight passenger traffic has yet to fully bounce back.

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