It is the same with the constant parade of global warming nonsense. Ground based weather recording stations in North America in rural areas that have not been encroached by new development show no warming trend at all outside of natural variability. The decade of in the 1930s still is the warmest decade on record... Yet we have been subjected to more and more dire warnings since the 1980s none of which have come true. They actually had to take down signs in Glacier National Park that had which announced for more than 10 years that all the glaciers would be gone by the year 2000.