Global Environmental Trends: Resources at Risk
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Global Environmental Global Environmental Trends: Trends: Resources at Resources at Risk Risk World Resources Institute World Resources Institute http://www.wri.org/wri/ http://www.wri.org/wri/
description
Global Environmental Trends: Resources at Risk. World Resources Institute http://www.wri.org/wri/. Forest Loss Is Severe in the Tropics. Amazon Deforestation Remains High. Many of Earth’s Forests Have Been Cleared or Degraded. Water Demand is Growing, But Supplies Are Limited. - PowerPoint PPT Presentation
Transcript of Global Environmental Trends: Resources at Risk
Global Environmental Trends: Global Environmental Trends: Resources at RiskResources at Risk
World Resources InstituteWorld Resources Institutehttp://www.wri.org/wri/http://www.wri.org/wri/
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
Forest Loss Is Severe in the TropicsForest Loss Is Severe in the Tropics
0
10
20
30
40
50
(per
cent
)
Asia Africa Latin America World
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
Amazon Deforestation Remains HighAmazon Deforestation Remains High
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
Many of Earth’s Forests Have Been Many of Earth’s Forests Have Been Cleared or DegradedCleared or Degraded
02,000,0004,000,0006,000,0008,000,000
10,000,00012,000,00014,000,00016,000,00018,000,000
Russia andEurope
Asia North &South
America
SouthAmerica
Africa Oceania
(mill
ions
of s
quar
e ki
lom
eter
s)
Cleared Non Frontier Forest Frontier Forest
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
Water Demand is Growing, Water Demand is Growing, But Supplies Are LimitedBut Supplies Are Limited
0 500 1000 1500 2000 2500 3000 3500
Oceania
North America
Central America
South America
Asia
Europe
Africa
World
Percentage of Water Resources
Total Withdrawals
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
Agriculture Dominates Water Use, Agriculture Dominates Water Use, But Its Share Will DeclineBut Its Share Will Decline
0 20 40 60 80 100
Oceania
North America
Central America
South America
Asia
Europe
Africa
World
Agricultural Industrial Domestic
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
Low-Income Nations Are Especially Low-Income Nations Are Especially Vulnerable to Water ScarcityVulnerable to Water Scarcity
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
River Habitats Have Been Heavily River Habitats Have Been Heavily AlteredAltered
200 3125 8750
489000
0
100,000
200,000
300,000
400,000
500,000
(kilo
met
ers)
1680 1800 1900 1980
Waterways Altered for Navigation
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
How Much Are Nature’s Services How Much Are Nature’s Services Worth?Worth?
Global GNP(US $18 trillion)
Ecosystem Services(US $33 trillion)Ecosystem Services(US $33 trillion)
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
Reef Threats Are ExtensiveReef Threats Are Extensive
0%
10%
20%
30%
40%
Coastal Marine Over-Exploitation Land-based Pollution
(per
cent
)
High Medium
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
Some Fish Stocks Have Collapsed Some Fish Stocks Have Collapsed from Overfishingfrom Overfishing
0
100
200
300
1950 1960 1970 1980 1990
Nonc
od C
atch
(000
met
ric to
ns)
0
200
400
600
800
1000
1200
1400
1600
1800
2000
Cod
Catc
h (0
00 m
etric
tons
)
Flatfishes (flounders, halibuts, etc.) Haddock Red hake Atlantic cod COD CATCHNON COD CATCH
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
WORLDWORLDRESOURCESRESOURCESINSTITUTEINSTITUTE
Bird Populations Are Under Siege Bird Populations Are Under Siege WorldwideWorldwide
