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TEMPERATURE STUDYy Future Temperature Increase (1/10)

The UNs most likely global warming scenario describes a world of new and more efficient

technologies where energy comes from a number of well-balanced sources. Still, at the end of

the century, temperatures will have increased by up to six or seven degrees Celsius in the Arctic,

about three degrees in Europe, and three to four degrees in Asia and the Americas.

y Local Warming Differences (2/10)Scientists talk about global warming, but temperature increases are not evenly distributed. Parts

of the southern hemisphere have even witnessed cooling, while the Arctic, Greenland, and

Alaska went through a period of significant warming. Warming was also strong in Asia, North

Africa, and the Mediterranean.

y Future Temperature Increase (4/10)How could the world look in 2090? The UN IPCC offers various scenarios. The left row depicts

temperatures in about twenty years, the right column shows the world at the end of the 21st

century.

Temperature increases in North Africa could trigger droughts and famine. In the Himalayas,

glaciers that feed some of the worlds biggest rivers might disappear. Further melting in Siberian

permafrost could

y Reasons for Global Warming (6/10)A comparison of economic development, population growth and energy usage helps understandthe reasons of global warming. The recent increase in CO2 emissions was fuelled more by

economic growth than growing populations. It is not the poor masses, but the new and old rich

that fuel global warming. And while energy and emission intensity have steadily decreased since

the oil crisis in the 1970s, carbon intensity has not. (Graphic: IPCC).elease millions of tons of

greenhouse

y Carbon Dioxide Emissions perCapita andCountry (8/10)The Kyoto Protocol forces industrialized countries to reduce their GHG emissions. These

countries represent one fifth of mankind but are responsible for about 44 percent of all GHG

emissions. People living in Africa and South Asia are the least responsible for global warming.

They make up nearly half of the worlds population, but only one fifth of all GHG emissions

(Graphic: IPCC).

y CO2-Reduction Potential per Business Sector (9/10)The UN panel offers a roadmap showing how much GHG emissions (they use the term CO2

equivalent) could be saved at a given price for one ton of GHG emissions in which business

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TEMPERATURE STUDYsector. GHG emissions could be reduced in buildings even at the relatively low cost of 20 US

dollars per ton of GHG. Agriculture also has a huge potential for GHG reduction, but only if

emissions prices rise to a staggering 100 dollars per ton of GHG. (Graphic: IPCC)