The Caspian Sea is shrinking as river inflow, evaporation, warming, and water use shift the balance of the world's largest inland sea.
Category - Geography
The geography category is designed to provide students with a comprehensive understanding of the field of geography and its applications. This category includes articles, tutorials, and resources on a range of topics, including physical geography, human geography, regional geography, and more.
Akshay Dinesh
How Flood Maps Show Risk Before Water Reaches a Street
Flood maps turn elevation, water history, and probability into zones that help communities understand risk before heavy rain or storm surge arrives.
How Time Zones Shape the 2026 World Cup Schedule
The 2026 World Cup crosses North American time zones, making kickoff times a lesson in geography, travel, broadcasting, and fan routines.
How Manhattanhenge Turns a Street Grid Into a Sunset Calendar
Manhattanhenge happens when sunset lines up with Manhattan’s tilted street grid, turning city planning into a skywatching event.
Why Route 66 Still Matters for Geography in Its Centennial Year
Route 66 turns 100 in 2026, but its lasting lesson is geographic: roads shape towns, movement, memory, and economic change.
How ZIP Codes Turn Addresses Into Delivery Routes
ZIP Codes help sort mail by turning addresses into routing clues, connecting local places to a national delivery network.
Why Time Zone Borders Bend Around Countries and Coasts
Time zone borders bend because clocks serve people, governments, transport, trade, and geography as much as longitude.
How Watersheds Connect Rain, Rivers, and the Places We Live
Watersheds show where rainwater travels, why rivers behave the way they do, and how land use upstream affects places downstream.
How Plate Tectonics Shapes Mountains, Volcanoes, and Earthquakes
Plate tectonics explains how slow-moving plates build mountains, open rift valleys, feed volcanoes, and trigger earthquakes.
How Earthquake Early Warnings Arrive Before the Shaking
Earthquake early warning systems do not predict earthquakes. They detect fast first waves so alerts can beat stronger shaking.
Why the International Date Line Is Not a Straight Line
The International Date Line follows 180 degrees longitude, then bends around countries so calendars make sense for real communities.
Why World Maps Can Make Countries Look the Wrong Size
Flat maps always distort Earth somehow. Map projections explain why Greenland, Africa, routes, and distances can look different from map to map.
Why City Streets Flood So Quickly During Heavy Rain
City streets can flood fast when heavy rain, pavement, storm drains, and low spots send water moving faster than it can escape.
Why the Coriolis Effect Makes Storms and Currents Curve
The Coriolis effect explains why large winds, storms, and ocean currents curve as they move across a rotating Earth.
How Panama Canal Locks Lift Ships Across a Continent
The Panama Canal uses locks like freshwater elevators, lifting ships to Gatun Lake by gravity before lowering them to the other ocean.
