WORLD WIND SPEEDS ARE SLOWING DOWN SINCE 1960 SAY SCIENTISTS

This article gives the details of this little known phenomenon. "Stilling" as it is called has important effects, the article explains. Of course some suggest that climate change may be behind the drop due to changing patterns in the way air circulates around the planet. Others say it could be due to ageing wind speed instruments producing inaccurate results. It sounds like there is much more research to be done - requiring more government funding no doubt!