An April 17 Instagram post (direct link, archived link) shows a video of a plane flying through a cloudy sky and leaving behind condensation trails.
“The shadow of the aerosol trail being dispersed by the Geoengineering SAI aircraft/drone that is seen cast on the artificial synthetic reflective greenhouse above it, is due to the albedo effect,” reads part of the post's caption. "What this means is that, a synthetic cover over a region is created."
The post goes on to claim that this synthetic cover, not human activity, is causing global warming.
The post garnered more than 2,000 likes in one month.
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Scientists say the post is inaccurate on several levels. The existence of the albedo effect does not prove a "synthetic cover" has been placed around the Earth, according to experts. The post also references solar geoengineering, but researchers say those technologies are still being developed, and no large-scale experiments or operations have been conducted. Scientists have discovered ample evidence that climate change is driven by human activities such as the burning of fossil fuels.
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