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Principal Author and Editor 21st Century Tech Blog

Futurist, Writer and Researcher, now retired, former freelance writer for new technology ventures. Former President & CEO of Len Rosen Marketing Inc., a marketing consulting firm focused on...

  • Member since 2018
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  • Aug 17, 2021
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The rise of carbon dioxide, methane, and nitrous oxide, all potent greenhouse gasses is documented in the latest IPCC report on climate change. The last four decades have witnessed successively warmer ones both over land and ocean. Over land the mean increase is 1.59 Celsius. Over the oceans it is 0.88 Celsius. The weighing of human versus natural cause is 97.27% for the former rather than the latter. The scale of the change is unprecedented when compared to paleoclimate records. This is the first of three postings looking at the findings of the IPCC 6th Climate Assessment. 

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Matt Chester's picture
Matt Chester on Aug 17, 2021

“It is unequivocal that human influence has warmed the atmosphere, ocean and land. Widespread and rapid changes in the atmosphere, ocean, cryosphere and biosphere have occurred.”

The use of the word unequivocal was indeed poignant. For anyone who still wants to deny or ignore the problem, I doubt this declaration will suddenly change their mind-- but it's great to see the world's scientists no longer pulling any punches on declaring this a fact.  

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Len Rosen on Aug 18, 2021

The wording of the latest report didn't pull any punches and that was much needed. I agree with you that it may not change the minds of those who choose not to use theirs.

Graeme Tychsen's picture
Graeme Tychsen on Sep 18, 2021

The use of the word "problem" inadvertently diminishes the force of the beyond the critical action required. The US National Oceanic and Atmospheric Administration, protector of the US economy, therefore part of the US Dept. of Commerce, warns, there is no scope for any expansion of fossil power - oil gas coal - whatsoever. The body is so qualified nothing is second. Warnings bind to be heeded. It would have been vastly more comforting had serious action for repowering the world been underway for the last 30 years.

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