Florida’s Primary Reef-Building Corals are ‘Functionally Extinct’
A 2023 heatwave killed nearly all of Florida’s main reef-building corals, leaving the reef functionally extinct.

Spatial Analysis
How to Create a Radial Flow Map Using QGIS

Geography Basics
Northernmost Point in the United States

Spatial Analysis
How to Create a Radial Flow Map Using QGIS

Cultural Geography
Map and Chart of Cardinals and the 2025 Papal Conclave

Glaciology
World’s Biggest Iceberg

GIS Learning
Geography and GIS Glossary

Geography Basics
Only State… Geography Facts

Water Can Take Years to Seep out of Mountains
Groundwater stored over many years is a significant contributor to streamflow in Western United States mountains according to a published study.

Study Models How the Behavior of Waves Affects Blue Carbon Storage
Bubbles created by the movement of waves can influence how much carbon dioxide is absorbed by the ocean.

High Resolution Ecosystem Map of the Contiguous United States and Adjacent Areas
NatureServe has developed an updated 30-meter hexagon map of regional ecosystems in the contiguous United States and adjacent areas.

Lake Chapala: a Tectonic Lake at Mexico’s Triple-graben Intersection
Lake Chapala was formed at the intersection of three grabens.

Rivers that Flow Backwards
Read about how the Amazon once flowed east to west and how the strength of Hurricane Isaac once change the course of the Mississippi river.

What are the Earth System’s Four Spheres?
The systems of the earth can be divided into two main areas: geosphere and biosphere.

The Recreational Value of Nature and Wildlife
Measuring the economic benefits of wildlife and outdoor areas supports conservation with tools like the NPS Visitor Spending Effects.


