Richard J Kinch wrote:

No, not the adhesive, the foam itself. Environmentalism forced a change of
the foaming process from using a CFC agent to something more
"environmentally friendly" (and structurally inferior). If someone is
claiming otherwise, it betrays a political agenda. Environmentalism
destroyed Columbia.

I heard that, too, but was not able to find a link that didn't look like
tinfoil cap folks posted it. I'm not disputing it, just can't find a
good link - do you have one?