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Global Challenges for the 21 st Century. Dr. Hongjoo Hahm World Bank Office Croatia. Challenge 1: Scarcity of Resources. (Constant Birth Rate Scenario). In the next 40 years, the global population will grow by almost 2.5 billion. and more than half of those will live in developing
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Global Challenges for the 21st Century Dr. Hongjoo Hahm World Bank Office Croatia
In the next 40 years, the global population will grow by almost 2.5 billion and more than half of those will live in developing countries Population World Population 1950 – 2050 (Medium Case) Source: UNPD 2007
IIIIII Washington Post
Gapminder Fertility vs. Income per capita
Gapminder Fertility vs. Girl’s Education
World Urban Population In 1950, 68% of world’s population from developing countries In 2010, 85% of world population from developing countries In 2008, one-half50%of the world’s people lived in cities By 2050, two-thirds66% of the world’s people will live in cities Source: UNHSP/Basics1/02
An Urban World 1950 1960 1970 1980 1990 2000 2010 2020 POPULATION IN BILLIONS 2 4 6 8 10 URBAN DEVELOPING URBANDEVELOPED RURAL IIIIII
Global Population Density by 2015 IIIIII Source: Poverty Mapping Urban Rural Population Database, United Nations FAO, 2005
Urbanization: Mega-Cities • Megacities today • Cover just 2% of the Earth’s land surface • 75% of industrial wood use • 60% of human water use • Nearly 80% of all human produced carbon emissions • Megacities tomorrow • By 2025 more than 300 cities worldwide will have more than 1 million people • The struggle to achieve an environmentally sustainable economy for the 21st century will be won or lost in the world's urban areas Map source: www.channelone.com IIIIII Source: www3.sympatico.ca/truegrowth/demographics.htm
Global Population: Rising Demand for Resources • Too Many (especially in developing world) • Too Old (especially in developed world) • Too Urban (globally) • Global Migration
Population and Human Development Needs Of 6.5 billion people in the world today 1.6 billion lack basic energy services 2.5 billion use wood, dung or other biomass to cook their food 2.6 billion people lack access to clean water and sanitation By 2050, almost 2.5 billion people will be born. Is there enough to go around? IIIIII
Global Water Scarcity UNEP IIIIII
http://www.albertapcf.ab.ca/grasslands/images/library/mixed/Irrigation.JPGhttp://www.albertapcf.ab.ca/grasslands/images/library/mixed/Irrigation.JPG http://photogallery.nrcs.usda.gov/Index.asp IIIIII
How Much? 1 kg of lettuce 174 liters 1 kg of tomatoes 174 liters 1 kg of potatoes 180 liters 1 kg of wheat 188 liters 1 kg of carrots 250 liters 1 kg of apples 370 liters 1 kg of chicken 6,170 liters 1 kg of pork 12,340 liters IIIIII University of California
- 1/3 of arable land used for cattle grazing.- 1/3 of methane produced by cows- 1/3 of grain produced used for cow fodder One kilogram of grain-fed beef needs at least 22,710 liters of water IIIIII
the greenhouse gas emissions arising every year from the production and consumption of cheeseburgers is roughly the amount emitted by 6.5 million to 19.6 million SUVs
"In a world where an estimated one in every six people goes hungry every day, the politics of meat consumption are increasingly heated, since meat production is an inefficient use of grain …... Continued growth in meat output is dependent on feeding grains to animals, creating competition for grain between affluent meat eaters and the world's poor.” Worldwatch Institute IIIIII
Keeping Up? IIIIII Source: Meadows, Randers and Meadows: LTG 30 year update 2004
Losing Focus on Food Production Organization for Economic Cooperation and Development; International Rice Research Institute; US Department of Agriculture; Food and Agriculture Organization of the United Nations; via the World Bank. Via the New York Times IIIIII
Food vs. Energy Source: Commodity Research Bureau IIIIII
The TimesMarch 7, 2008‘Rush for bio fuels threatens starvation on a global scale’ In 2010, more than 1/3 of US corn acreage was earmarked for bio ethanol IIIIII
Forest cover 1996 Deforestation Forests Likely to Survive Without Human Assistance Source: Bryant. D., Nielsen. D. and Tangeley. L. (1997) IIIIII
Satellite image of Global Burning with inset of Indonesia taken 2009 *Source: ATSR Fire Atlas, European Space Agency
Fossil fuel use Source: EIA
‘Peak’ Oil IIIIII