global warming: concerns and challenges for the philippines
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Global Warming: Concerns and Challenges for the Philippines. The Third Jaime V. Ongpin Annual Memorial Lecture on Public Service in Business and Government Ateneo de Manila University 29 th September 2004. Outline. Concerns: Problem of global warming & climate change - PowerPoint PPT PresentationTRANSCRIPT
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Global Warming: Concerns and Challenges for the Philippines
The Third Jaime V. Ongpin Annual Memorial Lecture on Public Service in Business and
GovernmentAteneo de Manila University
29th September 2004
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Outline
1. Concerns: Problem of global warming & climate change
2. Challenges: Responding to the problem
a) Types of responsesb) Role of the Citizenc) Role of the Stated) Role of the Market
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1. Problem of global warming & climate change
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Historic Temperature Data
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Adverse impacts of Climate Change
•Sea level riseMake many islands, coastal areas uninhabitable, displacing millions of people
•Wet seasons become wetter, dry seasons become drier
Disruption of water supplies, agriculture becoming unviable, famines
•More frequent and intense storms, heat waves, floods and droughts
Disasters that cause deaths, misery & economic damage
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Adverse impacts of climate change
•Temperature extremesHuman health impacts (heat stress, more widespread vector-borne diseases like malaria & dengue, epidemics)
Health of ecosystems (e.g., forests & corals)
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Climate Change and Environmental Impacts
Changes in temperature, weather patterns and sea level rise
Agriculture: Changes in crop yields
Irrigation demands,Productivity
Forests: Change in Ecologies,
Geographic range of species, and
Health and productivity
Coastal Areas: Erosion and flooding
InundationChange in wetlands
Water Resources: Changes in water supply
and water qualityCompetition/Trans-border
Issues
Human Health: Weather related
mortality Infectious disease
Air quality - respiratory illness
Industry and Energy:
Changes in Energy demand
Product demand & Supply
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Visible ShortwavesTerrestrial Longwaves
THE GREENHOUSE EFFECT
H2O
CO2
CH4
N2OHFCsPFCsSF6
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150 100 50 0
Thousands of Years ago
Tem
per
atu
re c
han
ge
(oC
)
Car
bo
n d
ioxi
de
(pp
mv)
Atmospheric CO2 Concentration and Temperature Change
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Climate Change• Climate change is caused by both natural events (like
volcanic eruptions) and human activities
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Human Sources of GHGs
Transportation
Energy GenerationIndustrial Processes
Land Use: Agriculture & Forestry
Carbon Dioxide (COCarbon Dioxide (CO22)) – Most prevalent GHGMethane (CHMethane (CH44)) – Second most common, 21x the potency of CO2
Nitrous Oxide (NNitrous Oxide (N22O)O) – 310x the potency of CO2
Other GasesOther Gases – HFCs, PFCs, and SF6 = range 600 – 23900x potency of CO2
Transport
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CO2
PhotosynthesisBurning
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Waste as a source of GHG emissions
• Decaying solid waste in landfills emits methane
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24.8
25.0
25.2
25.4
25.6
25.8
26.0
26.2
26.4
26.6
26.8
1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000
Tem
per
atu
re (
oC
)
Philippine temperatureshave been soaring
25.2
25.4
25.6
25.8
26.0
26.2
26.4
26.6
26.8
1901-10 1911-20 1921-30 1931-40 1941-50 1951-60 1961-70 1971-80 1981-90
Tem
per
atu
re (
C)
Luzon
Visayas
Mindanao
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Vulnerability to Climate Change
El Niño - La Niña Vulnerability Map
Dry seasons becoming drier.
Wet seasons becoming wetter.
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Philippine Rice Production. Arrows indicate El Niño events. (source: Food and Agricultural Organization)
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Aerial Photo over DEM of Navotas at 0 m SLR
Navotas 1.0 m SLR
Aerial Photographs 1996 courtesy of NAMRIA, 3D Images generated by GeoView3D
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2. Responding to the problem of climate change
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2a. Types of responses
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AdaptationAdapt to the impacts of climate change which
are already presentExamples
• Coastal protection (sea walls?)• Better weather tracking and warning systems• Disaster preparedness• Disaster management• Better health care facilities• Better capabilities to manage epidemics• Improved irrigation systems• Insurance protection against natural disasters
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Mitigation
• Reduce CO2 emissions from burning of fossil fuels (oil, coal) Transport Power generation Industries
• Capture GHG (CH4, N2O) emissions From solid waste From bio-mass
• Sequester carbon in forests
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Sustainable Development
• Climate change as a problem of Sustainable
Development
• The poor as most vulnerable to the
negative impacts of climate change. Floods, droughts,
epidemics
• The poor are located in ecologically fragile areas
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2b. Role of the Citizen
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“Small things can stop something big like climate change” -- WWF
• Conserve energy.• Switch to compact
fluorescent lamps.• Use fans more,
airconditioners less.
• Take the bus or the MRT.
• Carpool.• Keep your vehicles
in tip-top shape.
• Support “green” electricity.
• Don’t leave water running.
• Don’t use narra. Support log bans.
• Reduce. Reuse. Recycle.
• Don’t burn your waste. Segregate.
• Save paper.
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2c. Role of the State
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Mitigation
• Balancing the demands of economic growth and a less-carbon intensive economy
CO2 emissions
Economic Growth
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Mitigation
• Promote the use of renewable energy sources
• Promote reforestation and afforestation• Promote solid waste management• Promote fuel-switching to less carbon-
intensive fuels (e.g., CNG, Coco-diesel)• Promote energy efficient electrictiy
transmission• Promote end-use energy efficiency
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Adaptation
• Better weather tracking and warning systems
• Disaster preparedness• Disaster management• Better health care facilities• Better capabilities to manage
epidemics• Improved irrigation systems
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2d. Role of the Market
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Lessening the discord between market & environment• Use market-based mechanisms to
achieve environmental goals Market-based mechanisms
• Achieving environmental goals• At least cost
• Emerging market mechanism: CDM Clean Development Mechanism (CDM)
of the Kyoto Protocol on Climate Change
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Kyoto Protocol:Flexibility Mechanisms
Present day
2012 (BaU)
Assigned Amounts
Joint Implementation
Developed Country GHG EmissionsClean Development
Mechanism
2012 with KP
- 5%
1990 level
Domestic Actions
Emission Trading
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Clean Development Mechanism
• Allows developed countries to invest in carbon emission reduction projects in developing countries
• These emission reduction projects must Assist developing countries in achieving
sustainable development Generate carbon reduction credits for
the investors from developed countries
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Simplistic CDM example
Provide electricity for a barangay• “Business-as-usual” (baseline):
Diesel generator sets Cost of project $10 Emissions 1 tCO2
• Cleaner project (CDM-eligible): Micro-hydro Cost of project $13 Zero Emissions
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Simplistic CDM example
• CDM Investor (e.g. Japan) Invests $3 ($13-$10, difference between
cleaner and business-as-usual project)
Gains Certificate of Emissions Reduction of 1 tCO2, which it can meet some of its Kyoto Protocol commitments to reduce emissions
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Simplistic CDM example
WIN – WIN – WIN• WIN for the host country
Sustainable development benefit: Cleaner energy production technology
• WIN for the CDM investor country Credits for carbon emissions reduction
• WIN for the Global Environment Reduction of carbon emissions, a globe
pollutant
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39
Sustainability … means leaving Sustainability … means leaving something for our childrensomething for our children
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“The worst is not that we may be overwhelmed by disaster,
but to fail to live by principle.” - W. Beckett
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Daghang salamat!!
Roberto C. Yap, S.J., Ph.D.Environmental Economist
Institute on Church and Social Issues,klima Climate Change Center,and Department of Economics
Ateneo de Manila UniversityTel +63 2 426-6144Fax +63 2 426-6070