Windguru - Special wind and weather forecasts for windsurfing, kitesurfing and other windrelated sports.
www.windguru.com
 
Windfinder - connected to the wind!
www.windfinder.com/
 

Dutch blokart club -
www.blokartclub.nl
 
blokart club Belgium -
www.belgianblokartclub.be
 
British blokart club -
www.theblsa.com/
 
Danish blokart club -
www.danskblokartforening.dk/
 
blokart World Champs 2012 - The official site of the 2012 blokart World Championships
www.blokartworlds2012.org/