Weather control

 

Russian and American scientists have in the past tried to control the weather, for example by seeding clouds with chemicals to try to produce rain when and where it is needed. A new method being developed involves replicating the urban heat island effect, where cities are slightly hotter than the countryside because they are darker and absorb more heat. This creates 28% more rain 20–40 miles downwind from cities compared to upwind (Fuchs 2005). On the timescale of several decades, new weather control techniques may become feasible which would allow control of extreme weather such as hurricanes (De Vries 2004).
The World Meteorological Organization (WMO) through its Commission for Atmospheric Sciences (CAS) has issued a "STATEMENT ON WEATHER MODIFICATION" as well as "GUIDELINES FOR THE PLANNING OF WEATHER MODIFICATION ACTIVITIES" in 2007, stating among others that "Purposeful augmentation of precipitation, reduction of hail damage, dispersion of fog and other types of cloud and storm modifications by cloud seeding are developing technologies which are still striving to achieve a sound scientific foundation and which have to be adapted to enormously varied natural conditions." (WMO… 2007).
 
Fuchs, D. (2005-06-28). "Spain goes hi-tech to beat drought". The Guardian (London). Archived from the original on 30 May 2010. Retrieved 2010-04-23.
De Vries, L. (2004-10-29). "Sapping A Hurricane's Strength, Research Under Way, But Actual Applications Still Decades Away". CBS News. Retrieved 2010-08-29.
WMO DOCUMENTS ON WEATHER MODIFICATION APPROVED BY THE COMMISSION FOR ATMOSPHERIC SCIENCES MANAGEMENT GROUP,SECOND SESSION, OSLO, NORWAY, 24-26 SEPTEMBER 2007.