To add this widget to your Site, add the following HTML code:
<img src="http://herdsoft.com/climate/widget/image.php?start_year=1980" width="640" height="480">
This widget is inspired by a post by the Scientist Stefan Rahmstorf in the german Klimalounge Blog. It illustrates the correlation of observed global mean temperature anomalies with increasing CO2 and changes in the number of sun spots.
Please read the blog post for more information on the scientific background. More References:
A cron job updates them once a month.
The Plotting Software is written by Bernd Herd, http://www.herdsoft.com/. It is Free Software licensed unter GPLv2.