• Bariumblues.com - Discover information on how and why poisonous aerosols are possibly related to electromagnetic radiation. Find articles, guestbook and links.
• Chem Trail Tracking USA - Yahoo! group dedicated to discussion and to providing information about the effects of toxins in the atmosphere.
• Chemtrail Action Center - Offers resources for contacting media and government officials about Chemtrails.
• Chemtrail Central - Find FAQ, photos, information on research, public forum, articles, and related links.
• Chemtrails - Photo gallery offers images of the sky over the Mid-Hudson New York State region. Also offers related links.
• Con-Trails or Trails Con? - Provides articles reviewing claims made over the phenomena. Offers photographs, links and contacts.
• Megasprayer News - Chemtrail reports and sightings. Forum, photo gallery, tools, and archive related to research and activism on covert aerial spraying.
• Poison Planes - Investigating Chemtrails from an Australian perspective.
• Purple Haze - Questions if chemtrails over Oklahoma are a hazard to public health.
• Watching the Skies - Archive features articles and reports on potential dangers posed by the phenomenon. Also provides background information and links.

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