If you look at it from the standpoint that at least 130 members of congress are adamant climate change deniers it seems like the video will be a bit hard for them to swallow. 2:15-2:39 He acknowledges global warming, say climate change is a certainty, but admits they don't know exactly how it will play out.
3:41-3:56 We have some tools and we could our behavior alter the future. Later he admits that the military is the largest single user of petroleum in the world and that has to change.
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It's not perfect, but it's a calm admission of many of the important points. It might have some affect where a doomsday portrait might be summarily dismissed.
Thanks for thinking about it and taking the time to respond.