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Was Malthus Right After All? Can We Achieve Sustainable Development?
Prof. Jeffrey D. SachsInstitute of Development StudiesUniversity of Sussex, Brighton
December 11, 2008
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FOUR DEEP DRIVERS OF GLOBALIZATION TODAY
Ecosystem Pressures in the Anthropocene Climate change; water stress; food supply; species extinction
Demographic Change Continued rapid population growth; Rebalancing global populations
(e.g. Africa, Islam); changing internal population balances; urbanization; aging; migration
Global Catch-Up Growth The Economics of pent-up growth. The Asian Growth Catch Up. Prospects for Global Growth
Fragile States Globalization as a cause of failed states? (e.g. Brain Drain) Globalization as an amplifier of the costs of failed states
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The Two Senses of the Malthusian Threat:
Regions Trapped in Extreme Poverty and Hunger,Notably Sub-Saharan Africa
Global Society Facing Ecological Limits and the Possibility of Massive Overshooting and Reversals
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World Gross Product
05000
100001500020000
2500030000
3500040000
Year (AD)
70,000
Billions, $USD PPP
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ECOSYSTEM STRESS:
The Epoch of the Anthropocene
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Fig. 2. Human dominanceor alteration ofseveral major componentsof the Earth system,expressed as (fromleft to right) percentageof the land surface transformed(5); percentageof the current atmosphericCO2 concentrationthat results from humanaction (17); percentageof accessiblesurface fresh water used (20); percentage of terrestrial N fixation that is human-caused (28); percentage of plant species in Canada that humanity has introduced from elsewhere (48); percentage of bird species on Earth that have become extinct in the past two millennia, almost all of them as a consequence of human activity (42); and percentage of major marine fisheries that are fully exploited, overexploited, or depleted (14).
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The Three Great Drivers of Anthropogenic Change
Food
Energy
Industrial Pollutants (including those linked to food and energy)
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Thresholds of Hypoxia in Marine Ecosystems, PNAS, 2008Vaquer-Sunyer and Duarte
DeadZoneIn GulfofMexico
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SternReview
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Kg Per Person, Annual
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FAO Index of Net Food Output per Capita, 1961-2000
80
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160
1961
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World E SE Asia South Asia Sub-Sahara
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Cereal Yields
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Year
Kg
per
Hec
tare East Asia and Pacific
Sub-Saharan Africa
South Asia
Latin America & Caribbean
World Bank World Development Indicators
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Demography:
The Continuing Population Threat
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Share of World Population
0%
20%
40%
60%
80%
100%
1500 1600 1700 1820 1900 1970 2000 2025 2050
Year
Sh
are
of
Wo
rld
To
tal
Latin America
Africa
West
Rest of Asia
India
China
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Figure 1a: European and Western Islamic Population 800-2050 (millions)
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800 1000 1200 1400 1600 1800 2000
Europe
Western Islam
Europe Projected
Western IslamProjected
“Western Islam” = North Africa, the Middle East, and Turkey
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The Age of Convergence Economics of Catch-Up Growth
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Forces of Divergence (1750 – 1950)
Concentration of Technological Capacity +Resource Endowments +Political Conquest
Forces of Convergence (1950 - 2050)
Diffusion of Technological Capacity +Sovereignty
+Globalization
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Figure 2.1: Annual Growth Rates from 1990-2005 vs. I ncome Level in 1990
0%
1%
2%
3%
4%
5%
6%
7%
8%
9%
10%
0% 20% 40% 60% 80% 100%
Per Capita I ncome in 1990 (as % of U.S. I ncome)
An
nu
al
Gro
wth
Rate
of
per
cap
ita I
nco
me
Potential Growth Rate
Actual Growth Rate ofSelected Countries
Source: Calculated using data from World Bank (2007)
China
Republic of KoreaIreland
SingaporeHong Kong
SpainU.K
Australia
Canada
France Germany
IcelandFinland
U.S.
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GNP Shares by Region
0%
20%
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60%
80%
100%
Year
Sh
ares
of
To
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Afria and Latin America
West
Asia
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Gross National Product in 2025
02468
101214161820
US China India
Series1
Gross National Product in 2002
0
2
4
6
8
10
12
US China India
Gross National Prouct
Gross National Product in 2050
05
101520
2530354045
US China India
Series1
Gross National Product in 2100
0
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60
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120
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160
US China India
Series1
Projections of GNP in US, China, and India
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FRAGILE STATES IN AN INTERCONNECTED WORLD
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Ending Poverty Through Targeted Investments:
AgricultureHealthEducationInfrastructure:
roads, rail, power, water and sanitation, connectivityBusiness InstitutionsCommunity Institutions
The Millennium Development Goals
The Millennium Villages and Millennium Cities
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The Sahel
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El-Fasher Weather Station
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Pathways to Sustainable DevelopmentGlobal Goals
Millennium Development Goals (MDGs)Health for All (AIDS, TB, Malaria, others)Biological Diversity (UNCBD)Climate Change (UNFCCC)Desertification (UNCCD)
“Directed” Technological Change
Food, Energy, Pollutants
Population Stabilization
Sustainable Urbanization
Financing Global Public Goods (Who will pay and how?)
Global Ethics: Human Rights and the Human Future
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The Need For Technological Advances
The Inadequacy of current technologies
Energy systemsFood systemsIndustrial ecology(pollutants, wastes, resource uses)
Incentives for RDD&D
For the poorFor the commonsFor resource scarcity
Creating an Innovation System for Sustainable Technologies
Patents, public financing, philanthropy, open-source, technology transfer mechanisms
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The Role of Global Institutions
Which Institutions?
Supranational treaties (CBD, UNFCCC, UNCLOS)Global organizations (UN, Bretton Woods Institutions, WTO)Regional Governments (EU, AU, NAFTA)
Global Financing?
ODA, “New Financing Mechanisms” such as UNITAID, IFFm,Advanced Market Commitments, Carbon Levies, Tobin Tax
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The Role of Social Knowledge, Culture, and Values
Sustainable lifestyles
urban life attitudes to equality and inequality(gender, class, race, nation, geography)attitudes towards fertilityattitudes towards migration and cultural diversityattitudes towards the future
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Can We Afford Sustainable Development?
Climate Change Mitigation (≈ 1 percent of GNP)
Climate Change Adaptation (< 0.2 percent of GNP)
Global Poverty Reduction (0.7 percent of GNP)
Family Planning and Reproductive Health Services(< 0.1 percent of GNP)
De-Nuclearization (savings of > 0.1 percent of GNP)
Peace in today’s conflict zones (large savings)
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Figure 12.3: Pentagon Spending and Malaria Needs
00.5
11.5
22.5
33.5
Two Days'Pentagon
Spending (FY 2007)
Malaria Control forAfrica (annual)
Bed Nets for allAfrican SleepingSites (five years'
coverage)
President's MalariaBudget (FY 2007)
Bill
ion
s o
f U
.S. $
Source: Data from Congressional Budget Off ice (2007) and Teklehaimanot, McCord and Sachs (2007)
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Total Budget OutlaysOf the US Federal Government
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Defense Development Diplomacy
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Y07
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Total Outlays
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Towards a Global Ethic
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The Future is “Under-Determined”:
Possibilities of Historical Disjuncture (1914, 1917, 1933, 1945)
Scientific and Technological Potential is At All-Time High
“Leadership” is the alignment of expectations
Democratization, Decentralization, and Governability
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Is Global Cooperation Feasible?
Clash of Civilizations?
Resource Wars and Interstate Competition?
International Commitments, Enforceability, and Free Riders
The diverse roles of international organizations, states, business, civil society, and individuals
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“So let us not be blind to our differences, but let us also direct attention to our common interests and the means by which those differences can be resolved. And if we cannot end now our differences, at least we can help make the world safe for diversity. For in the final analysis, our most basic common link is that we all inhabit this small planet. We all breathe the same air. We all cherish our children's futures. And we are all mortal.”
John F. KennedyAmerican UniversityJune 10, 1963