physical geography
4 articles
The Great Barrier Reef: Monitoring the Worlds Largest Living Structure
Explore the Great Barrier Reef's scale, biology, and the mounting threats from bleaching, ocean acidification, and runoff that endanger this 2,300-kilometer marine ecosystem.
9 min readgeography
Karst Topography: How Water Carves Caves and Sinkholes
Explore karst topography, the landscape shaped by dissolving bedrock. Learn how caves, sinkholes, and underground rivers form in limestone and other soluble rocks.
9 min readphysical geography
Surtsey Island: Watching a New Volcanic Island Form in Real Time
Surtsey emerged from the North Atlantic in 1963 and gave scientists a rare chance to watch an island form and life colonize bare rock from zero.
9 min readvolcanology
Tectonic Plates: The Puzzle Pieces That Move Continents
Discover how Earth's tectonic plates move, collide, and separate, shaping mountains, oceans, earthquakes, and volcanoes over billions of years of geological history.
9 min readgeography