Geography is a branch of academic study broadly concerned with the Earth. Geographers can be roughly divided into those concerned with physical earth processes (physical geography), such as erosion ...

A variety of ecosystems are spread across the world, each with distinctive interacting characteristics and components. They range from small (eg a freshwater pond) to global (eg the desert biome).

Latitude is one of the most important factors in determining global climate patterns. In areas around the equator, sunlight has a smaller area of atmosphere to pass through, and the sun’s rays are ...