All posts by historyscoper

Sensors at the Mauna Loa observatory in Hawaii indicated that concentrations of greenhouse gas in the atmosphere, have reached 415 parts of Carbon Dioxide per million – are we racing towards a state very different from what civilization developed in?

https://www.quora.com/Sensors-at-the-Mauna-Loa-observatory-in-Hawaii-indicated-that-concentrations-of-greenhouse-gas-in-the-atmosphere-have-reached-415-parts-of-Carbon-Dioxide-per-million-are-we-racing-towards-a-state-very-different-from

https://www.quora.com/Sensors-at-the-Mauna-Loa-observatory-in-Hawaii-indicated-that-concentrations-of-greenhouse-gas-in-the-atmosphere-have-reached-415-parts-of-Carbon-Dioxide-per-million-are-we-racing-towards-a-state-very-different-from/answer/TL-Winslow