Condensation trails, or contrails, are left behind aircraft Some believe they are evidence of secret large-scale spraying program Claim this affects the environment and human health Research ...
Condensation trails or contrails — the white, feathery lines behind airplanes — could have as big an impact on the climate as the aviation sector's CO2 emissions. Here's why, and what we can ...
The chemtrail conspiracy theory is the erroneous belief that long-lasting condensation trails left in the sky by high-flying aircraft are actually "chemtrails" consisting of chemical or biological ...
Condensation trails or contrails — the white, feathery lines behind airplanes — could have as big an impact on the climate as the aviation sector's CO2 emissions. Here's why and what we can do ...