Here's an update to that segment; what the reporter has learned since:
Lousiana TV Report Follow-Up
On Chemtrail Story
Story update by reporter Jeff Ferrell...
"I learned about U.S. Patent #: 5,003,186, titled `Stratospheric Welsbach Seeding for Reduction of Global Warming," better known by chemtrail researchers as "The Welsbach Patent."
The patent describes putting metallic particles like aluminum and barium into jet fuel. Then, exhaust from the jet engine seeds the stratosphere. In turn, those small metallic particles serve a dual purpose by: 1) reflecting incoming light back into space and 2.) helping convert the warmth below into infra-red waves, allowing them to escape from the earth's atmosphere.