By Alvin Alexander. Last updated: June 4, 2016
According to this article on ExtremeTech.com, Elon Musk stated that the Earth’s carbon dioxide levels are at an all-time high. Here’s their quote: “Musk emphasized the electric car’s green credentials, noting that we have record high CO2 levels, and that we passed 403.5 PPM as of March 2016 — matching what the Earth last saw 11 million years ago.”