Walt Johnson is an independent geophysicist and consultant based out of Denver Colorado.  Walt was instrumental in pioneering digital seismograph technology which is used today to take sound-based pictures of the earth’s crust.

Dave O'Rourke has been a professional marketer for over four decades. His various roles in marketing, distribution, and top-line revenue generation have helped multiple companies dominate their market niches. Dave has devised hundreds of marketing programs, branding and go-to-market strategies, designed and delivered webinars, videos, white papers and advertisements, and provided sales and marketing training to thousands of people. Dave is an accomplished public speaker, is the author of "Winning the Wallet Share War" and has seen multiple start up companies to successful exit. Dave is a graduate of UC Berkeley, and makes his home in Marin County, California, where he enjoys mountain and road biking, hiking, the food and wine scene, and spending time with his wife, Christine, and their adult children and grandchildren. 

https://twitter.com/acconversation

https://www.aclimateconversation.com/

https://www.youtube.com/@AClimateConversation

Buy DVDs of the movie here:

https://www.aclimateconversation.com/category/all-products

https://www.newsmaxtv.com/findus

https://twitter.com/GWrightstone

Coal use in China around the 1200s: https://factsanddetails.com/china/cat2/4sub8/entry-5456.html#chapter-1

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About Tom Nelson:

https://linktr.ee/tomanelson1

YouTube: https://www.youtube.com/playlist?list=PL89cj_OtPeenLkWMmdwcT8Dt0DGMb8RGR

Twitter: https://twitter.com/tan123

Substack: https://tomn.substack.com/

About Tom: https://tomn.substack.com/about