Here is a short article I found on Wikipedia:
Chemtrail conspiracy theory
From Wikipedia, the free encyclopedia
The chemtrail conspiracy theory holds that some trails left by aircraft are actually chemical or biological agents deliberately sprayed at high altitudes for purposes undisclosed to the general public in clandestine programs directed by government officials. This theory is not accepted by the scientific community, which states that they are just normal contrails, and that there is no scientific evidence supporting the chemtrail theory.
As a result of the popularity of the conspiracy theory, official agencies have received thousands of complaints from people who have demanded an explanation. The existence of chemtrails has been repeatedly denied by scientists around the world, who say the trails are normal contrails. The United States Air Force states that the theory is a hoax which "has been investigated and refuted by many established and accredited universities, scientific organizations, and major media publications". The United Kingdom's Department for Environment, Food and Rural Affairs has stated that chemtrails are not scientifically recognized phenomena. The Canadian Leader of the Government in the House of Commons has rejected the idea of chemtrails as being a "popularised expression", adding that "there is no scientific evidence to support their existence."
The term chemtrail is derived from "chemical trail", in the similar fashion that contrail is a portmanteau of condensation trail. It does not refer to other forms of aerial spraying such as crop dusting, cloud seeding, skywriting, or aerial firefighting. The term specifically refers to aerial trails allegedly caused by the systematic high-altitude release of chemical substances not found in ordinary contrails, resulting in the appearance of characteristic sky tracks. Supporters of this conspiracy theory speculate that the purpose of the chemical release may be for solar radiation management, population control, weather control, or biological warfare/chemical warfare and claim that these trails are causing respiratory illnesses and other health problems.
This would be a very difficult lawsuit to prevail for many reasons, not the least of which is governmental immunity, and the proof needed to identify the defendant(s) and nexus to the claimed damages.
I am trying to give you a general answer to your question. We do not have an attorney-client relationship by this response on the avvo website. I have not been retained to represent you. I am licensed to practice law in Kentucky and in federal court in this state and the Southern District of Indiana. You need to seek legal advice from an attorney licensed to practice in your area..