Projected Impacts of Climate Change Global temperature change - PowerPoint PPT Presentation

Projected Impacts of Climate Change Global temperature change (relative to pre-industrial) 0°C 1°C 2°C 3°C 4°C 5°C Food Food Falling crop yields in many areas, particularly developing regions Falling yields in many Possible rising yields in developed regions some high latitude regions Significant decreases in water Water Water Small mountain glaciers Sea level rise availability in many areas, including disappear – water Mediterranean and Southern Africa threatens major cities supplies threatened in several areas Ecosystems Ecosystems Extensive Damage Rising number of species face extinction to Coral Reefs Extreme Extreme Rising intensity of storms, forest fires, droughts, flooding and heat waves Weather Weather Events Events Risk of Abrupt and Risk of Abrupt and Increasing risk of dangerous feedbacks and Major Irreversible Major Irreversible abrupt, large-scale shifts in the climate system Changes Changes

Stabilisation and Commitment to Warming 400 ppm CO 2 e 5% 95% 450 ppm CO 2 e 550 ppm CO 2 e 650ppm CO 2 e 750ppm CO 2 e Eventual temperature change (relative to pre-industrial) 0°C 1°C 2°C 3°C 4°C 5°C

Emissions Paths to Stabilisation 100 90 450ppm CO 2 e 80 Global Emissions (GtCO 2 e/yr) 550ppm CO 2 e 70 Business as Usual 60 50 40 30 20 10 0 2000 2010 2020 2030 2040 2050 2060 2070 2080 2090 2100

Global Emissions by Sector

Potential Emissions Markets from Power and Industrial Sectors 20000 18000 Total emissions from fossil fuels 2 emissions, 2002 16000 Emissions from power and industrial sectors (estimated) 14000 12000 10000 Million tonnes CO 8000 6000 4000 2000 0 European Union United States of China, India, G7 EU25, Jap, Aus, OECD Top 20 Global (25) America Mexico, Brazil, Can, USA emitters South Africa (+5)

Adaptation: Scaling up Overseas Development Aid