Solar Variability: Striking a Balance with Climate Change

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The sun radiates huge amounts of electromagnetic energy in all directions. Earth is only one small recipient of the sunacutes energy the sunacutes rays extend far out into the solar system illuminating all the other planets. Credit: NASA
The sun radiates huge amounts of electromagnetic energy in all directions. Earth is only one small recipient of the sun's energy; the sun's rays extend far out into the solar system, illuminating all the other planets. Credit: NASA

The sun has powered almost everything on Earth since life began, including its climate. The sun also delivers an annual and seasonal impact, changing the character of each hemisphere as Earth's orientation shifts through the year. Since the Industrial Revolution, however, new forces have begun to exert significant influence on Earth's climate.


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All News summaries for May 08, 2008

NASA Satellite Finds Interior of Mars Is Colder

2 hours ago | User rating: not rated yet
New observations from NASA's Mars Reconnaissance Orbiter indicate that the crust and upper mantle of Mars are stiffer and colder than previously thought.

Eccentric pulsar system challenges theories of binary formation

3 hours ago | User rating: not rated yet
An ongoing sky survey using the Cornell-managed Arecibo radio telescope in Puerto Rico has turned up a massive, fast-spinning binary pulsar with a mysterious elongated orbit, researchers say. The pulsar and ...

Astronomers use new model of dust in galaxies to remeasure the total energy output of stars in the universe

3 hours ago | User rating: not rated yet
Anyone gazing up on a dark clear night is greeted by the spectacle of thousands of powerful fusion reactors - the stars. These balls of extremely hot gas are generating unimaginably large quantities of energy. ...

Addressing the 'nitrogen cascade'

4 hours ago | User rating: not rated yet
While human-caused global climate change has long been a concern for environmental scientists and is a well-known public policy issue, the problem of excessive reactive nitrogen in the environment is little-known beyond a ...

Microsoft in deal on European environment data

5 hours ago | User rating: not rated yet
(AP) -- Microsoft Corp. says it is collaborating with the European Environmental Agency to make information about local air and water pollution levels freely available to consumers through Microsoft Web portals.
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