to studies published in the journals Nature and Nature Geoscience, world
temperatures rose faster in the late 20th century than at any other time in the
last 2,000 years.
paper published in Nature examined regional temperature trends over time.
While, the paper published in Nature Geoscience examined rates of surface
warming, averaged over sub-periods each a few decades long.
researchers had used data compiled from nearly 700 temperature indicators such
as tree rings, sediment cores, coral reefs, modern thermometer readings etc.
findings of the study suggest that in modern human history temperatures rose
the fastest and most consistently in the late 20th century marked by
unprecedented anthropogenic emissions of CO2 and other greenhouse gases. The
study also found that pre-industrial temperature fluctuations were largely
driven by volcanic activity.