June 16th 2001


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Articles from this issue:

COVER: How the Sun Causes Global Warming

Tokyo debt threatens global economy

Victoria - Battleground State

Army Behind moves to oust Wahid

The Media

Straws in the Wind

Letters

Behind the morning after pill

Wanted - a genuine British opposition

Eminem's contribution to culture

Nevada - the US model at its worst?

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COVER: How the Sun Causes Global Warming

by Dr Sallie Baliunas

News Weekly, June 16, 2001

Debate on the causes of predicted global warming usually revolves around climate models scientists construct. But can those models account for all the variables the universe has to offer? Not really, according to Dr Sallie Baliunasof the Harvard Smithsonian Centre for Astrophysics, who puts forth the sun as a variable not to forget. Baliunas points out that increases in magnetism and solar radiation at the centre of our solar system correlate quite strongly with temperature rises here on Earth. She also notes the difficulty of this scientific enterprise saying, "There are something like five million parameters that have to go into a good climate model, and it has to compute for a time longer than the age of the universe if we wanted to know something."

Dr Sallie Baliunas and James Glassman recently talked in Boston about the science, the uncertainty, and the sun's overlooked influence on climate change.

An extract of this interview was printed in News Weekly.

The full interview can be found at http://www.techcentralstation.com/1051/envirowrapper.jsp?PID=1051-450&CID=1051-042301L.




























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