"We are on a path to double the amount of carbon dioxide in our atmosphere since we started burning fossil fuels. We can all see the chaotic weather that it has already produced," Andrade said. "It's not toxic to you and me below concentrations of 1,000 or 2,000 [parts per million], but it's toxic to this planet. Setting an arbitrary upper limit, that is out of the bounds of anything related to planetary stability, is simply bad government."