Korean
Chinese(T)
Chinese(S)
Japanese
English
한국
대만
중국
일본
변환
병기
급수선택
1급
2급
3급
4급
5급
6급
7급
8급
추천사이트
변환기
이용안내
한국
대만
중국
일본
Environment Portal | Britannica
Search Britannica
Click here to search
Search Britannica
Click here to search
Login
Subscribe
Subscribe
Home
Games & Quizzes
History & Society
Science & Tech
Biographies
Animals & Nature
Geography & Travel
Arts & Culture
Money
Videos
On This Day
One Good Fact
Dictionary
New Articles
History & Society
Lifestyles & Social Issues
Philosophy & Religion
Politics, Law & Government
World History
Science & Tech
Health & Medicine
Science
Technology
Biographies
Browse Biographies
Animals & Nature
Birds, Reptiles & Other Vertebrates
Bugs, Mollusks & Other Invertebrates
Environment
Fossils & Geologic Time
Mammals
Plants
Geography & Travel
Geography & Travel
Arts & Culture
Entertainment & Pop Culture
Literature
Sports & Recreation
Visual Arts
Companions
Demystified
Image Galleries
Infographics
Lists
Podcasts
Spotlights
Summaries
The Forum
Top Questions
#WTFact
100 Women
Britannica Kids
Saving Earth
Space Next 50
Student Center
Home
Games & Quizzes
History & Society
Science & Tech
Biographies
Animals & Nature
Geography & Travel
Arts & Culture
Money
Videos
Home
Science
Environment
Environment
Biological diversity is key to a healthy ecosystem, whether it’s a small biological community or the global biosphere. Ecology, which studies the relationships between organisms and their environment, is an invaluable science that helps us understand what allows an ecological community to thrive.
Environment Encyclopedia Articles
-CHI
CHO-FLY
FOO-JOS
JUN-NEV
NEW-SED
SEL-WIL
WIL-ØVR
Featured Articles
conservation
Conservation, study of the loss of Earth’s biological diversity and the ways this loss can be prevented. Biological diversity, or biodiversity, is the variety of life either in a particular place or on...
Environmental Protection Agency
Environmental Protection Agency (EPA), agency of the U.S. government that sets and enforces national pollution-control standards. In 1970, in response to the welter of confusing, often ineffective environmental...
hydrosphere
Hydrosphere, discontinuous layer of water at or near Earth’s surface. It includes all liquid and frozen surface waters, groundwater held in soil and rock, and atmospheric water vapour. Water is the most...
environment
Environment, the complex of physical, chemical, and biotic factors that act upon an organism or an ecological community and ultimately determine its form and survival. The Earth’s environment is treated...
recycling
Recycling, recovery and reprocessing of waste materials for use in new products. The basic phases in recycling are the collection of waste materials, their processing or manufacture into new products,...
atmosphere
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 gravitational...
climate change
Climate change, periodic modification of Earth’s climate brought about as a result of changes in the atmosphere as well as interactions between the atmosphere and various other geologic, chemical, biological,...
tropical rainforest
Tropical rainforest, luxuriant forest found in wet tropical uplands and lowlands around the Equator. Tropical rainforests, which worldwide make up one of Earth’s largest biomes (major life zones), are...
sustainability
Sustainability, the long-term viability of a community, set of social institutions, or societal practice. In general, sustainability is understood as a form of intergenerational ethics in which the environmental...
environmental law
Environmental law, principles, policies, directives, and regulations enacted and enforced by local, national, or international entities to regulate human treatment of the nonhuman world. The vast field...
Britannica Premium Subscription
Did you know you’re not getting the full Britannica experience? Sign up for Premium to get access to
all
of our trusted content and exclusive originals.
Subscribe today!
Environment Encyclopedia Articles
-CHI
CHO-FLY
FOO-JOS
JUN-NEV
NEW-SED
SEL-WIL
WIL-ØVR
Home
Science
Environment