[jmopp]

https://commons.m.wikimedia.org/wiki/File:Treibs&Chlorophyll...

On the right is a chlorophyll molecule. On the left is a molecule found in oil shale. Their structure is far too similar to be coincidence.

[Arnt]

You fell for a distration. The origin doesn't really matter, that happened long ago, that ship has sailed. What matters is that burning oil releases large amounts of CO₂ and that disrupts the climate.