Physical Geography
Physical geography focuses on geography as an Earth science (and is sometimes called Earth System Science).
Physical geography is a branch of geography that focuses on the study of the natural features and processes of the Earth’s surface. It includes the examination of landforms, climate, vegetation, soils, and water resources. Physical geographers use a range of scientific methods and tools to analyze and understand the complex interactions between the Earth’s physical systems.
Learn about the different branches of geography that fall under the physical geography category: climatology, geomorphology, biogeography, and more.

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.

World’s Biggest Iceberg
The largest iceberg in the world is A-23A, with an area of about 1,240 square miles.

Water on Earth
Earth holds trillions of tons of water, mostly in oceans. Only 2.5% is freshwater, primarily found in glaciers, groundwater, lakes, and rivers.

Defining How Much of the World is Covered by Forests
With no universal definition, mapping and comparing forest coverage around the world is challenging.

Glacial Flour Makes Some Lakes Turquoise
Glacial flour, the fine dust created as glaciers move over land, turns lakes a turquoise color by reflecting blue and green light.