An international team of specialists has concluded from eight indexes of climate that there is no end in sight to the cooling trend of the last 30 years, at least in the Northern Hemisphere. In some, but not all cases, the data extend through last winter. They include sea surface temperatures in the northcentral Pacific and north Atlantic, air temperatures at the surface and at various elevations as well as the extent of snow and ice cover at different seasons. In almost all cases it has been found that the year‐to‐year variations in climate are far more marked than the...