In the process of writing an update to earlier posts on Nuclear Winter, I happened upon the shared clip, the URL for which I am unable to find [1]. Viewing it changed my approach to the writing, sending me back to the drawing board, as it were. To understand what I am going to present next time, you really need to have watched this.
In the same time frame, Sagan also testified before a House committee. The much longer, and somewhat tedious version of the above is still on the cspan web site [2].
I promised myself and Timothy Snyder that I would constantly remind my readership of the need for everyone who believes in freedom and democracy to behave in accordance with those beliefs, every day. To remind ourselves of what that means, see
Notes
[1] All I can be sure of is that it was a user upload to the cspan.org web site. But a site search on 28 July 2025 yielded no results.
[2] https://www.c-span.org/program/house-committee/nuclear-winter/93324
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