Transcript Title Body text

Lecture 01:當前全球環
境危機
One Planet Many People
Atlas of Our Changing Environment
http://www.na.unep.net/OnePlanetManyPeople/Atlas_PPT.php
Kyoto International Cartoon Exhibition
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Montreal Protocol
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Evidence from
satellites of thinning
of the Ozone layer led
to the Montreal
Protocol for reducing
CFC’s. It was signed
in September 1987
and became effective
in 1989.
Ozone
Title Depletion
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Growth of the Antarctic ozone
hole over 20 years, as observed
by the satellite
Darkest blue areas represent regions
of maximum ozone depletion.
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Deforestation: Rondonia, Brazil
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•1975 -Healthy
natural vegetation
•1986 -“Fishbone”
pattern on the
landscape indicate
agriculture fields
•2000 -Agriculture
continues to replace
forest cover.
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Amazon Deforestation
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Almost one fifth of the Amazon
rainforest has been cleared. 26,000 sq
km August 2003 to August 2004 alone;
the second highest on record, 6%
higher than the previous 12 months.
Deforestation was worst in
the state of Mato Grosso
Source: Steve Kingstone, BBC News, Brazil
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Casey Trees, Washington, D.C.
Satellite images showing the dramatic loss of trees in the
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textMrs. Casey to action. Casey Trees
District
moved
Endowment Fund was created to restore the tree cover of
the District of Columbia.
People and Planet
TitleInfluences on the Planet
Human
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Population Change
from 1900-2000
The explosive growth of developing
world cities such as Santiago.
Title
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Earth’s Shrinking Biosphere
1900-2000 AD
Currently, the Earth is the only
home we have.
With each new person added to our
growing population, the amount of our
living space decreases.
Land Area
hectare
per/capita
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Population
Growth: Lake Victoria
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•The population growth
around 100 km zone of the
Lake Victoria
•Population growth around
Lake Victoria, East Africa, is
the highest in Africa
World
Title Energy Consumption
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World Energy Consumption
between 1800 - 1990
World Primary Energy
Consumption since
1970 projected to
2025
World
Title Energy Consumption
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On 14 August 2003, parts of northeastern United States and
southeastern Canada experienced widespread power blackouts
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Transboundary
Pollutants
A large dust storm developed over China on
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6-7 April 2001, moving over China, Russia,
Japan, the Pacific Ocean, Canada, and
ultimately over the United States on 17 April
2001.
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Transboundary: Dust over the Pacific
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Images taken
between April 29 and
May 5, 2005 shows
dust from the Gobi
Desert crossing the
Pacific, well on its
way to North
America.
Sand storm from China
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Wildfire in Africa
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Wildfire in Amazon
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San Francisco, United States
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Images courtesy USGS
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Las Vegas, United States
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•1973 -A small settlement
•2000 -The landscape is
now dramatically modified
Images courtesy USGS
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Las Vegas, United States
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Drought: Western United States
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2000
2004
PhotoView
18 meters
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Lake Meade, United States
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New Golf Courses
since 2001
Next talk will begin here
Variability
vs.
Change