4. Warming of the climate system
is unequivocal
IPCC2013,Fig.SPM.1b,IPCC2014,Fig.1.1
Anomaly(°C)relativeto1961-1990
5. Warming of the climate system
is unequivocal
EnergyContent(1021Joule)
1980 1990 2000 2010
300
200
0
100
-100
1970
70 mill.
TWh
IPCC2014,SYRFig.1.2
6. (Lüthi et al.,2008, NOAA)
+30%
2014
The concentrations of CO2 have increased to levels
unprecedented in at least the last 800,000 years.
1000 years before present
CO2Concentrations(ppm)
10. RCP 2.6 (annual) RCP 8.5 (annual)
IPCC 2013: Atlas of Global and Regional Climate Projections
Changes in South Europe/Mediterranean (2081-2100)
11. Further warming will increase the likelihood of severe,
pervasive and irreversible impacts for people and ecosystems.
IPCC2013,TFE.2,Fig.2
+19 cm
+63 cm
12. Further uptake of carbon by the ocean
will increase ocean acidification.
IPCC2013,Fig.SPM.7c
14. Budget for the 2°C target: 790 bill t C
CO2 emissions until 2014*: −545 bill t C
CO2 emissions in 2014*: 10.1 bill t C
Remaining emissions: 245 bill t C
*updatedfromIPCC2013,WGISPM
Limiting climate change would require substantial and
sustained reductions in greenhouse gas emissions which,
together with adaptation, can limit climate change risks.