Earth Forum Posts

Year of Science - April

Posted by maggie.surface on April 3rd, 2009
April Leadpic

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News
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Ongoing discussions
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Fact of the week
In both Southeast Asia and the western Amazon, during warm and dry El Niño years there are more fires and plants grow at slower rates. During cool and wet La Niña years, there is more plant growth and fires are rarer.
Source: EarthGauge©
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External links

Energy experts and EoE Contributors: Celebrate Year of Science 2009 with the Encyclopedia of Earth by authoring an article under this month’s theme: Energy resources. Find a list of wanted articles here. Email Maggie Surface to contribute to the Encyclopedia of Earth.


Encyclopedia articles

Renewable energy

Renewable energy sources are those that are naturally available and replenished. Renewable energy sources include solar, wind, hydro (water), geothermal, Tidal power or ocean wave energy, and biomass.
Go to the full article >>

Coal

Coal is a combustible carbon-based rock. Its origins are in prehistoric earth where generations of dead vegetation were deposited in an oxygen-depleted swampy environment to form peat.
Go to the full e-book >>

Fossil fuel power plant

A fossil fuel power plant is a system of devices for the conversion of fossil fuel energy to mechanical work or electric energy. The main systems are the steam cycle and the gas turbine cycle.
Go to the full article >>

Waste-to-energy

Waste-to-energy is the process in which waste is used to generate useful energy –electricity, heat or both. This is possible (and convenient) when the heat generated by burning the waste is high enough to warrant satisfactory combustion conditions and make available enough energy to overcome losses and auxiliary consumption: in practice, a lower heating value of at least 4 megajoules per kilogram.
Go to the full article >>

Hydrogen storage

Storing enough hydrogen onboard a vehicle to achieve a driving range of greater than 300 miles is a significant challenge. On a weight basis, hydrogen has nearly three times the energy content of gasoline (120 MJ/kg for hydrogen versus 44 MJ/kg for gasoline).
Go to the full article >>

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People and Partners

Mildred Perry
National Energy Technology Laboratory
U.S. Department of Energy
Encyclopedia of Earth Author

Department of Energy
United States
Encyclopedia of Earth Content Partner

Stefano Consonni
is President of LEAP (Laboratory for Energy and the Environment in Piacenza), a consortium promoted by Politecnico di Milano for research and technology transfer on energy and environmental issues.
Encyclopedia of Earth Author

Energy Information Administration
statistical agency of the U.S. Department of Energy
Encyclopedia of Earth Content Source


Maggie Walser
U.S. Sentate Committee on Energy and Natural Resources
AGU/AAAS Congressional Science and Engineering Fellow
Encyclopedia of Earth Author

Visit the Year of Science homepage for more individuals, organizations and resources related to this month’s theme, the process and nature of science and communicating science.

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