RSS Feed is not working on my website

HI
I dont' know what i'm doing wrong, but the RSS function is not working on my website.
I looked everywhere, but i could not find out what i'm doing wrong and how in can fix it.
As well did i not find a post which was helping me.
So please have a look on my easy blog site and explain me how i can get the RSS working…

http://www.activepeople.ch/info/news.html


thanks for helping me.

Regards
Ralph