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Weather modification is the process by which, deliberately or otherwise, human intervention changes or attempts to change weather conditions. Deliberate interventions include attempts to weaken hurricanes or to change patterns of precipitation for agricultural purposes. Inadvertent interventions include the widespread burning of carbon fuels that leads to global warming and has various impacts upon weather systems. Speculation exists as to whether the use of weather modification in warfare is a viable concept. The limited success with which weather modification has been completed for peaceful purposes would suggest that it is not possible.

Perhaps the most common attempt to modify the weather comes from the use of substances such as dry ice or silver iodide to seed clouds with supercool particles to alter rainfall. Experiments in this ...

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