Projected Impacts of Climate Change

1°C 2°C 5°C4°C3°C

Sea level rise threatens major cities

Falling crop yields in many areas, particularly developing regions

FoodFood

WaterWater

EcosystemsEcosystems

Risk of Abrupt and Risk of Abrupt and Major Irreversible Major Irreversible ChangesChanges

Global temperature change (relative to pre-industrial)0°C

Falling yields in many developed regions

Rising number of species face extinction

Increasing risk of dangerous feedbacks and abrupt, large-scale shifts in the climate system

Significant decreases in water availability in many areas, including Mediterranean and Southern Africa

Small mountain glaciers disappear – water supplies threatened in several areas

Extensive Damage to Coral Reefs

Extreme Extreme Weather Weather EventsEvents

Rising intensity of storms, forest fires, droughts, flooding and heat waves

Possible rising yields in some high latitude regions

Stabilisation and Commitment to Warming

1°C 2°C 5°C4°C3°C

400 ppm CO2e

450 ppm CO2e

550 ppm CO2e

650ppm CO2e

750ppm CO2e

5% 95%

Eventual temperature change (relative to pre-industrial)

0°C

Emissions Paths to Stabilisation

0

10

20

30

40

50

60

70

80

90

100

2000 2010 2020 2030 2040 2050 2060 2070 2080 2090 2100

450ppm CO2e

550ppm CO2e

Business as Usual

Glo

bal E

mis

sion

s (G

tCO

2e/y

r)

Global Emissions by Sector

Potential Emissions Markets from Power and Industrial Sectors

0

2000

4000

6000

8000

10000

12000

14000

16000

18000

20000

European Union(25)

United States ofAmerica

China, India,Mexico, Brazil,South Africa

(+5)

G7 EU25, Jap, Aus,Can, USA

OECD Top 20 Globalemitters

Mill

ion

to

nn

es C

O2 e

mis

sio

ns,

200

2

Total emissions from fossil fuels

Emissions from power and industrial sectors (estimated)

Adaptation: Scaling up Overseas Development Aid