Tuesday, October 25, 2016

A Major #Climate Threshold Has Been Permanently Crossed



A Major Climate Threshold Has Been Permanently Crossed

From Alaska Climate, a Flipboard magazine by Dave Clark

For the first time in human history, atmospheric CO2 concentrations exceeded 400 parts per million (ppm) in 2015. They're expected to do so again…

Read it on Flipboard

Read it on gizmodo.com



Onesimo Alvarez-Moro