a drop of volcanic activity in the early 20th century may have had a warming effect.
a drop of volcanic activity in the early 20th century may have had a warming effect.
climate change (general concept):98
climate change (general concept)
notable eruptions in the historical records are the 1991 eruption of mount pinatubo which lowered global temperatures by about 0.5 °c (0.9 °f) for up to three years, and the 1815 eruption of mount tambora causing the year without a summer.