ghana
flag of Ghana
Limiting global warming to 1.5oC avoids a half to three-quarters of the increases in human exposure to drought and fluvial flooding that would occur with 3oC warming, and half the declines
Additional people exposed to climate change risks (millions)
Coastal flooding
0.3 million 1.5C 0.3 million 2C 0.3 million 3C 0.3 million 4C
Drought
0.9 million 1.5C 1.5 million 2C 2.9 million 3C 4.2 million 4C
Fluvial flooding
0.0 million 1.5C 0.1 million 2C 0.2 million 3C 0.3 million 4C
Economic impact of fluvial flooding (millions USD)
*Total of Direct and Indirect impacts
Economic impact
$14 M 1.5C $25 M 2C $70 M 3C $98 M 4C
Crop yield loss (percent)
Maize
-6.1 % 1.5C -8.7 % 2C -13.6 % 3C -18.2 % 4C
Soy Bean
-5.6 % 1.5C -8.2 % 2C -13.4 % 3C -18.7 % 4C
Rice
-3.8 % 1.5C -5.7 % 2C -9.8 % 3C -14.1 % 4C
GDP Loss (percent)
-0.01 % 1.5C -0.01 % 2C -0.02 % 3C -0.03 % 4C
Limiting global warming allows most biodiversity to persist in refugia and limits the loss of pollination services to below 20%
Biodiversity loss (percent)
Climate refugia for plants remaining
(% country land area)
100.0 % 1.5C 100.0 % 2C 50.0 % 3C 5.0 % 4C
Climate refugia for vertebrates remaining
(% country land area)
100.0 % 1.5C 100.0 % 2C 99.0 % 3C 66.0 % 4C
Loss of pollination as ecosystem service
14.6 % 1.5C 18.2 % 2C 25.4 % 3C 30.6 % 4C
Population year 2000. Climate baseline period 1961-1990. Coastal flooding assumes existing sea-defences are maintained. Economic climate projections baseline 1985-2015. Economic & annual GDP baseline 2011.
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