There are a couple of threads running on Metabunk on this
In case you are unfamiliar Metabunk is like Snopes on steroids.
Oh apparently I can't post a URL as I haven't posted enough. OK.... site rules I suppose.... Go to Metabunk dot org forums and it will be in the hot links on the right. It is a great site - also full of pilots as it started as an anti chemtrail conspiracy site.