I had some intense experiences of doubt while vacationing in the mountains - or, rather, an intensified sensitivity to the uncertainty that governs our lives. In the end, it proved exhilarating, and strengthened my faith (which is not, of course, a form of certainty, but a means of living in spite of that fundamental uncertainty.)
In this connection, here is something for Sam Harris, who is so concerned about scientific illiteracy: Resisting climate hysteria.
The fact that the developed world went into hysterics over changes in global mean temperature anomaly of a few tenths of a degree will astound future generations. Such hysteria simply represents the scientific illiteracy of much of the public ...
This has much to say, actually, about what we might call the decline in standards of discourse.
See also Getting a grip on Greenland's future.