Friday, February 13, 1998 Published at 19:25 GMT
Scientists blame sun for global warming
The Sun is more active than it has ever been in the last 300 years
Climate changes such as global warming may be due to changes in the sun rather than to the release of greenhouse gases on Earth.
Climatologists and astronomers speaking at the American Association for the Advancement of Science meeting in Philadelphia say the present warming may be unusual - but a mini ice age could soon follow.
The sun provides all the energy that drives our climate, but it is not the constant star it might seem.
Want DP delivered to your inbox daily? Subscribe here: