Aircraft contrails
Explains what contrails are and provides information about the health and environmental effects.
Documents
Details
Factual paper on aircraft contrails explaining:
- what they are and how they are caused
- the health effects
- the environmental effects
Updates to this page
Published 2 October 2012Last updated 2 August 2022 + show all updates
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Amendment of geo-engineering and weather modification information.
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Updated with the latest information on contrails.
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Links updated.
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Updated to remove references to chemtrails and barium measurements.
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First published.