THE MANY CAUSES OF CLIMATIC CHANGE Between 1850 and 1990 the global-mean temperature at the surface of the Earth warmed by approximately 0.5&#176 C (about 1&#176 F).
(THE MANY CAUSES OF CLIMATIC CHANGE Between 1850 and 1990; warmed; T:by approximately 0.5&#176 C)
THE MANY CAUSES OF CLIMATIC CHANGE Between 1850 and 1990
warmed
T:by approximately 0.5&#176 C