Keeling 25/4/2019

Published in

Words

7

Reading

1 min

Listen

Play

7y

413.55 ppm CO₂ on 25/4/2019

(source: scripps.ucsd.edu)

This post was published via steemit. Ecency is not the originator or editor of this content and displays it for discovery purposes only.

$ 0.959

57

Keeling 25/4/2019 | Ecency