Explore the role of energy in science, society, and the environment.

On This Day

July 4

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Word of the Day

phytomass

living or dead organic matter of plants, especially that of trees and crop residues used for fuel....

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Emission factor

 Steve HiseEmissions from a coal-fired power plant. Credit: Steve Hise

An emission factor is a representative value that attempts to relate the quantity of a pollutant released to the atmosphere with an activity associated with the release of that pollutant.

Radioactive waste management

Radioactive waste management refers to the technology and policies that guide the processing, treatment, transportation and disposal of radioactive wastes such that they do not pose undue risk to to the health of living organisms.

Geothermal energy in Iceland

Iceland is unique among industrial nations in that more than 50% of its energy comes from renewable geothermal energy. The word geothermal comes from the Greek words geo (earth) and therme (heat).

Earth's magnetic field

Earth's magnetic field is approximately a magnetic dipole, with one pole near the north pole and the other near the geographic south pole.

People in Energy

Albert Einstein was a German-American physicist who, in 1905, published three papers, each of which had a...
was a prolific American inventor who held more than 1,000 patents on his inventions, including important innovations...
was an Italian-American physicist who played a key role in solving the problems connected with the development...
an American printer, writer, politician, diplomat, and scientist, is famous for his invention of bifocals and the...

Energy Places

Altamont Pass is a mountainous pass in Northern California is home to one of the oldest wind farms in the...
Orinoco Heavy Oil Belt, Venezuela is one of the world’s largest accumulations of natural bitumen and heavy oil....
Bay of Fundy is a bay located on the Atlantic coast of North America, on the northeast end of the...
Three Mile Island, located on the Susquehanna River in central Pennsylvania, was the site of the worst nuclear reactor accident...
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