(Reading time: 1 minute)
CO2 Data chart NOAA
Image credit: NOAA

Niall Shephard continues to explore deep time with Professor Emeritus Guy R. McPherson. In this episode, we begin our discussion of greenhouse gases beyond carbon dioxide. Specifically, we discuss atmospheric methane.

In this episode, we continue our discussion of greenhouse gases beyond carbon dioxide. Specifically, we discuss greenhouse gases that persist for a very long time.

Can You Help, Please?

We ask yearly each Autumn for your support
to pay for web hosting & security. 
Please keep the lifeboat afloat.
Support "alternative" websites year-round!
 For freedom of speech, for freedom of information.
For your own sake.
We use browser cookies to manage authentication, for analytics, and to ensure you get the best experience on our website.