the increase in temperatures since 1975 is a consistent feature of all reconstructions.
the increase in temperatures since 1975 is a consistent feature of all reconstructions.
hockey stick controversy:1
hockey stick controversy
reconstructions have consistently shown that the rise in the instrumental temperature record of the past 150 years is not matched in earlier centuries, and the name "hockey stick graph" was coined for figures showing a long-term decline followed by an abrupt rise in temperatures.