A rise in sea levels and other changes fueled by global warming threaten roads, rail lines, ports, airports and other important infrastructure, and policy makers and planners should be acting now to avoid or mitigate their effects, according to new government reports.
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Noting that 60,000 miles of coastal highways are already subject to periodic flooding, the academy panel called for policy makers to survey vulnerable areas — “roads, bridges, marine, air, pipelines, everything,” Dr. Schwartz said — and begin work now on plans to protect, reinforce, move or replace on safer ground. Those tasks will take years or decades and tens of billions of dollars, at least, he said.

I do not know if it makes a difference , but it would seem to me if a lions’ share of the negative adjustments were made at the beginning of the temperature record and most of the positive adjustments at the later part of the record, could not a spurious trend result?

..and then Brohan plots a histogram of applied adjustments and fits a Gaussian distribution to it, obtaining “hypothesised distribution of the adjustments required”. The difference is then fitted to new Gaussian distribution, and “So the homogenisation adjustment uncertainty for any station is a random value taken from a normal distribution with a standard deviation of 0.4 C”. Time is not taken into account, and this 0.4 C, of course, disappears almost completely as we have so many stations. I don’t know how Hansen computes the homogenization adjustment uncertainty, hopefully it is something different.