From the NYT:
https://www.nytimes.com/2017/07/29/opinion/sunday/when-life-on-earth-was-nearly-extinguished.html?ref=opinion
This is a discussion of the Permian Great Dying 250 million years ago. The chilling fact is that we are putting CO2 into the atmosphere at a ten-fold greater rate than during the Permian extinction event.
Tom Toles
April 12, 2017
From the NYT:
https://www.nytimes.com/2017/07/29/opinion/sunday/when-life-on-earth-was-nearly-extinguished.html?ref=opinion
This is a discussion of the Permian Great Dying 250 million years ago. The chilling fact is that we are putting CO2 into the atmosphere at a ten-fold greater rate than during the Permian extinction event.