Geography | Definition, Types, History, & Facts | Britannica
2024年12月9日 · Geography, the study of the diverse environments, places, and spaces of Earth’s surface and their interactions. The modern academic discipline is rooted in ancient practice, concerned with the characteristics of places, in particular their natural environments and peoples, as well as the relations between the two.
Geography and its subfields | Britannica
geography, Science of the Earth’s surface, which describes and analyzes the spatial variations in physical, biological, and human phenomena that occur on the surface of the globe and treats their interrelationships and their significant regional patterns.
Geography Definition & Meaning | Britannica Dictionary
GEOGRAPHY meaning: 1 : an area of study that deals with the location of countries, cities, rivers, mountains, lakes, etc.; 2 : the natural features (such as rivers, mountains, etc.) of a place
geography - Kids | Britannica Kids | Homework Help
Geography is a science that deals with Earth’s surface. People who study geography are called geographers. Geographers are interested in Earth’s physical features, such as mountains, deserts, rivers, and oceans. They are also interested in the ways that people affect and are affected by the natural world.
Latitude and longitude | Definition, Examples, Diagrams, & Facts ...
2024年12月6日 · Latitude and longitude, coordinate system by means of which the position or location of any place on Earth’s surface can be determined and described. Latitude is a measurement of location north or south of the Equator. Longitude is a similar measurement east or west of the Greenwich meridian.
Region | Definition, Examples, & Facts | Britannica
Region, in the social sciences, a cohesive area that is homogeneous in selected defining criteria and is distinguished from neighboring areas or regions by those criteria. A region is distinguished from an area, which is usually a broader concept designating a portion of the surface of Earth.
Sustainable development | Definition, Goals, Origins, Three Pillars ...
2024年11月21日 · Sustainable development lacks a single detailed and widely accepted definition. As a general approach to human development, it is frequently understood to encompass most if not all of the following goals, ideals, and values:
Atmosphere | Definition, Layers, & Facts | Britannica
2025年1月6日 · Atmosphere, the gas and aerosol envelope that extends from the ocean, land, and ice-covered surface of a planet outward into space. The density of the atmosphere decreases outward, because the planet’s gravitational attraction, which pulls the gases and aerosols inward, is greatest close to the surface.
Population Trends, Migration & Age Structure - Britannica
2025年1月8日 · demography, statistical study of human populations, especially with reference to size and density, distribution, and vital statistics (births, marriages, deaths, etc.). Contemporary demographic concerns include the “population explosion,” the interplay between population and economic development, the effects of birth control, urban congestion, illegal immigration, and …
Megacity | Definition, Examples, & Facts | Britannica
A megacity is a major city whose total metropolitan area contains a population of more than 10 million inhabitants. They are characterized by their large geographic footprint and found on all continents except Australia and Antarctica, extending across a broad range of environmental, cultural, political, and economic conditions.