21 - Jorden varmes op

° C 5 4 3 2 1 0 2000 2015 2050 2100 1950 Kilde : IPCC Model - kun naturligt (solindstråli ng og vulkanisk) Model - naturlig og menneskes kabt Observeret Den globale overfladetemperatur 1850 - 1900 + 5 ° C + 1,5 ° C + 1,2 ° C Jorden varmes op 21
Set 1 www.climatefresk.org 21 På grund af drivhuseffekten er den globale gennemsnitlige overfladetemperatur allerede steget med 1.2 ° .

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Cause

Jordens energi-budget

Jordens energi-budget

As mentionned on card 21, this is the temperature of the air, above ground, in average on the Earth.

5
Consequences

Forstyrrelse af vandets kredsløb

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Biodiversitet på land

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Faldende fødevareforsyninger

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In northern countries, a little increase in temperature can lead to better yields, but in southern countries, it's the contrary: Any degree warmer is a decrease in yields.
Hedebølger

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Permafrost

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2
Other possible consequences

Spredning af sygdomme

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The vectors of disease card is generally linked to the Terrestrial Biodiversity card because disease vectors are a sub-part of biodiversity, but it can also be linked to the same causes as the biodiversity card, i.e. Disruption of the Water Cycle and Rising Air Temperatures.
Sundhed

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