This video was kindly sourced by Peter Berry

Biodiversity for a Livable Climate presents A talk by Walter Jehne Australian climate scientist and soil microbiologist Director of Healthy Soils Australia Introduction by Didi Pershouse :

PN Editor’s note: I just watched the video. A-M-A-Z-I-N-G !!!!
Basically, all the things we think are good to do – increasing soil carbon, planting trees, reducing hard reflective surfaces etc., actually have a massively bigger effect in combatting global warming than is generally acknowledged.