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United Nations Warns Against Large Scale Weather Modification

It should be realised that the energy involved in weather systems is so large that it is impossible to create artificially rain storms, alter wind patterns to bring water vapour into a region, or completely eliminate severe weather phenomena. Weather Modification technologies that are claimed to achieve such large scale or dramatic effects do not have a sound scientific basis (eg. hail canons, ionization methods) should be treated with suspicion. The only credible approach to modifying weather is to take advantage of microphysical sensitivities wherein a relatively small human-induced disturbance in the system can substantially alter the natural evolution of atmospheric processes. [1]

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"Executive Summary of the WMO Statement on Weather Modification." Meeting of the Expert Team on Weather Modification Research Abu Dhabi, World Meteorological Organization (2010): 12.

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