A Climate Advisor: Sir David King’s Journey

[H simmens]

https://youtu.be/7v27jryUknI?si=FGYSXz0zvh06zlud

The Climate Emergency Forum had the pleasure of hosting Sir David King last month to discuss his remarkable life. The program dropped today and can be found at the above link. 

It was one of the most enjoyable conversations I’ve had the privilege of hosting and I encourage everyone to watch. 

Sir David spoke about his experience behind the scenes as an advisor to several British Ministers, his perspectives on what countries are doing on climate, and his formative experiences growing up in South Africa, including being interrogated as a result of working with Nelson Mandela and having polio as a child. 

This is the second in our series of extended conversations with the giants in Climate, following our inaugural conversation several months ago with HPAC member Peter Wadhams. 

If you have suggestions for folks that you would like to see featured in our upcoming programs please let me know. 

Thanks,

Herb

Herb Simmens
Author of A Climate Vocabulary of the Future

“A SciencePoem and an Inspiration.” Kim Stanley Robinson
@herbsimmens
HerbSimmens.com

[Sev Clarke]

Colleagues,

Would you consider these three lines of framing, or converging, thought for private discussion by the group.

In a sense, one can say that green light is garbage light, because it is discarded and reflected by green leaves. Blue and red light is of more use to them.

It is a principle in the Japanese martial art of jiu jitsu that the strength or momentum of an opponent can be used against them. This principle could be used to advantage in climate restoration if the power of the sun is used to reflect excessive solar radiation. Such might be achieved in two ways. First, by photosynthesis that allows marine algae to form green and denser reflectors, whilst also nucleating highly-reflective, marine cloud cover by their DMS emissions. Second, by using wind power (its momentum) derived from variable insolation to generate white, nanobubble reflectors in the ocean surface - noting that a single ‘layer’ of aerating nanobubbles might reflect possibly as much as 15% of incident radiation, whilst only about 2% over the global ocean might be required to reverse the current level of warming.

All solar reflectors have value in local to global cooling, but ocean-based algal and nanobubble (OBAN) reflectors seem preferable to stratospheric sulphuric acid aerosol (SSAA) ones that might use as yet undesigned, fossil-fuelled aircraft to deliver them on high.

Sev

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