People, Development and Environment
9.55
Note:
The global warming level has reached 418 parts per million (ppm), compared to 280 ppm in the pre-industrial
era. Thus, the increase is almost of 50%.
Climate Change
•
This refers to significant, long-term changes in aver-
age weather patterns over periods ranging from
decades to millions of years. Climate change can
affect specific regions or the entire planet.
•
Paleoclimatology
studies ancient climates using data
from ice cores, tree rings, sediment, coral, shells, and
rocks.
Global Warming (GW)
•
GW is the gradual increase in Earth’s near-surface air
and ocean temperatures, ...
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