Sun Responsible for Global Warming

Newsmax
Tuesday, March 6, 2007

Two new reports cast doubt on the manmade global warming theory and instead point to another cause for the recent warming of Earth — changes in the sun.

One report from National Geographic News asserts, "Simultaneous warming on Earth and Mars suggests that our planet’s recent climate changes have a natural — and not a human-induced — cause, according to one scientist’s controversial theory.”

Data from NASA’s Mars Global Surveyor and Odyssey mission in 2005 disclosed that the carbon dioxide "ice caps” near Mars’ south pole had been shrinking for three consecutive summers.

Habibullo Abdussamatov, head of the Pulkovo Astronomical Observatory in Russia, says the shrinking provides evidence that the current warming on Earth is being caused by changes in the sun, according to the National Geographic article.

"The long-term increase in solar irradiance is heating both Earth and Mars,” he said. "Manmade greenhouse warming has made a small contribution to the warming seen on Earth in recent years but it cannot compete with the increase in solar irradiance.”

The other report offers a mechanism behind the changes in the sun — variations in its magnetic field.

Compiled by scientists at the Danish National Space Center, it maintains that the Earth’s climate is strongly influenced by cosmic rays from exploded stars.

The cosmic rays help make ordinary clouds, and high levels of rays and cloudiness cool the planet, while lower levels of radiation lead to milder temperatures, according to the Danish report, which is cited by Marc Morano, communications director for the U.S. Senate Committee on Environment & Public Works, on the committee’s Web site.

"Cosmic ray intensities — and therefore cloudiness — keep changing because the sun’s magnetic field varies in its ability to repel cosmic rays coming from the galaxy before they reach the Earth,” the Danish report by Henrik Svensmark, head of the Space Center, explains.

Whenever the sun’s magnetic field was weak, cosmic ray intensities were high and the climate cooled, most recently in the little ice age that climaxed 300 years ago.

Several scientists cited in the report believe that changes in the Earth’s climate are linked to "the journey of the sun and the Earth through the Milky Way Galaxy. They blame the icehouse episodes on encounters with bright spiral arms, where cosmic rays are most intense.”

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