People and Planet - Science Language

Atmosphere
The envelope of gases surrounding a planet.
Biosphere
The regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.
Earth Resources
A material source of wealth, such as timber, fresh water, or a mineral deposit, that occurs in a natural state and has economic value.
Earth Science Literacy
A mix of concepts, history, and philosophy that help one understand the scientific issues of the time.
Economic
Deals with the production and distribution and consumption of goods and services and their management.
Environmental
Dealing with the relations between organisms and their environment.
Feedback Loops
Channel or pathway formed by an 'effect' returning to its 'cause,' and generating either more or less of the same effect.
Geosphere
The solid mass of the Earth as distinct from the atmosphere (air) and hydrosphere (water).
Hydrosphere
All the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.
Natural Hazards
A threat of a naturally occurring event that will have a negative effect on people or the environment. Many natural hazards are interrelated, e.g. earthquakes can cause tsunamis and drought can lead directly to famine.
Social
Dealing with human society and relationships.