Ecologist
A person who studies the interrelationship of organisms and their environments.
Longitude
Longitude
1) An imaginary line that bisects the globe through the North and South Poles. 2) Distance east or west of the prime meridian, the imaginary line of longitude that runs through Greenwich, England, measured in degrees.
Carbon footprint
Carbon footprint
A measure of how much carbon dioxide (CO2) a person, organization, or product produces – directly or indirectly – in a certain amount of time (usually a year).
El Niño
El Niño
A warm-water current that periodically flows along the coast of Ecuador and Peru, altering weather patterns over much of the Earth.
Mean
Mean
(n) An average of a group of numbers or data points.
Carbon sink
Carbon sink
An environment, such as a forest or the ocean, that absorbs and stores more carbon than it releases over some period of time, which helps to offset greenhouse gas emissions.
Elevation
Elevation
The height of a place above sea level or ground level.
Photosynthesis
Photosynthesis
The process by which green plants manufacture simple sugars in the presence of sunlight, carbon dioxide, and water. Chlorophyll is essential to the series of complex chemical reactions involved.
Carbon pool
Carbon pool
Any place where carbon can be found, such as plants, soils, the atmosphere, or fossil fuels. Carbon pools can also be called stocks or reservoirs.
Evidence
Evidence
Information used to support or counter a theory or hypothesis. Scientific evidence is gathered from observation or experimentation.
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