how will ab 32 -global warming solutions act - affect california … workgroup/vc3... ·...
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How will AB 32 -Global Warming Solutions Act -
Affect California Agriculture?
How will AB 32 -Global Warming Solutions Act -
Affect California Agriculture?
UC Davis Vegetable Crops ConferenceJanuary 27, 2009
Ken TrottCA Department of Food and Agriculture
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Selected Slides Courtesy of:Selected Slides Courtesy of:
CA Air Resources Board
CA Environmental Protection Agency
California Energy Commission
Steve Shaffer
CA Farm Bureau Federation
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Presentation OverviewPresentation Overview
• Climate Change and impacts on CA agriculture
• AB 32 – Global Warming Solutions Act
• California Agriculture and AB 32
• Climate Change Adaptation Strategies
• Conclusions
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Threats of Global WarmingThreats of Global Warming• Slow-moving environmental disaster
• 2.5-4 times as many heat wave days
• Increased temperatures (5.5-8° F)
• 70-80% Loss of snowpack
• Rising sea levels (14-22”)
C A L I F O R N I A E N V I R O N M E N T A L P R O T E C T I O N A G E N C Y
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California Agriculture - ThreatsCalifornia Agriculture - Threats
• Water-Shortages/Reliability• Flooding• Levee failure• Drought• Fire• Increased temperatures &
duration & frequency of extreme heat events
• Reduced pollination• Loss of chill hours
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California Agriculture – Threats (cont.) California Agriculture – Threats (cont.)
• Degradation of air quality• Invasive species & diseases-Expanded
Ranges• Worker health and productivity• Loss of micro-climates• Cost of inputs and regulations• Increased plant/animal stress• yield & variety losses
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California’s Emissions Courtesy California Environmental Protection Agency
California’s Emissions Courtesy California Environmental Protection Agency
Refineries(7%)
Landfills (1%)
Electricity Generation (23%)
Cement(2%)
Agriculture(6%)
Transportation(39%)
Oil & Gas Extraction(3%)
Other Industrial(9%)
Commercial(3%)
Residential(7)%
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2004 CA Ag GHG Emissions=28 MMTCO22004 CA Ag GHG Emissions=28 MMTCO2
Manure Management
(6.9)
Enteric Fermentation
(7)
Rice Cultivation
(0.6)
Energy Use/ Fuel
Combustion (4.9)
Ag Residue Burning (0.08)
Ag Soil Management
(8.3)
Courtesy: CA Air Resources Board
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Climate Change Policies and Initiatives Climate Change Policies and Initiatives
C A L I F O R N I A E N V I R O N M E N T A L P R O T E C T I O N A G E N C Y
Set GHG reduction targets, called for Climate Action Team
Jun 2005
Apr 2006
CAT released GHG reduction blueprint
Executive Order S-01-07
World’s 1st Low Carbon Fuel
Standard
Signed AB 32 - GHG reduction plan 1990 by 2020
Sep 2006
Feb 2007
Signed Western Climate Initiative
Oct 2007
Signed Intl’ Carbon Action Partnership
2006AB 1007 Alternative
Fuels ReportPublished
2007
Set Regional Goal of 15% below 2005 levelsAug 2007
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GLOBAL WARMING SOLUTIONS ACT OF 2006 BY 2020, 30% REDUCTION TO 1990 LEVELS BY 2050, 80% REDUCTION TO 1990 LEVELS
GLOBAL WARMING SOLUTIONS ACT OF 2006 BY 2020, 30% REDUCTION TO 1990 LEVELS BY 2050, 80% REDUCTION TO 1990 LEVELS
“I SAY THE DEBATE IS OVER! “
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Magnitude of the Challenge Courtesy Air Resources Board
Magnitude of the ChallengeMagnitude of the Challenge Courtesy Air Resources BoardCourtesy Air Resources Board
ARB Emissions Inventory
0
100
200
300
400
500
600
700
1990 2000 2004 2020 2050Year
Mill
ion
Met
ric
Tons
(CO
2 Equ
ival
ent)
1990 Emission Baseline
~173 MMT CO2 E Reduction
80% Reduction ~341 MMTCO2 E
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What is 1Million Metric Tons (Mmt) CO2 ?What is 1Million Metric Tons (Mmt) CO2 ?
• CA – 2020 goal – reduce to 1990 levels – 174 Mmt.
• 179,000 cars and light truck.
• Electricity for 193,000 CA homes.
• 833,000 ac of conifer forest absorbing CO2 .
• 13 million light bulbs replaced by CFLs.
• Everyone in CA walking up 1 flight of stairs each day.
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What Is The California Global Warming Solutions Act of 2006 (AB 32)?
What Is The California Global Warming Solutions Act of 2006 (AB 32)?
• Sets in statute 2020 GHG emissions limit at 1990 level– Acknowledges that 2020 is not the endpoint
• Air Resources Board to monitor/regulate GHG sources
• In collaboration with other state agencies, ARB developed Scoping Plan adopted by ARB December 11, 2008.
Courtesy Air Resources Board
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AB 32 TimelineAB 32 TimelineAB 32 Timeline
20202007 2008 2009 2010 2011 2012
GHG reduction measures
enforceable
Adopt GHG reduction measures
Publish list of early actions
Adopt scoping
plan
Mandatory reporting &
1990 Baseline
Adopt enforceable early action regulations
Reduce GHG emissions to 1990 levels
Identification/ implementation
of further emission reduction strategies
Early action regulations enforceable
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Scoping PlanScoping PlanScoping Plan
• Describes how California will reduce GHG emission levels to 1990 levels by 2020
• Not a regulation, but basis for regs.
• Identifies measures for future adoption or implementation
• Uses sector based approach
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Scoping Plan SectorsScoping Plan Sectors
• Agriculture
• Electricity
• Forest
• High Global Warming Potential Gases
• Land Use & Local Government
• Manufacturing
• Oil & Gas/Refining
• Transportation
• Waste Management & Landfills
• Water
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GHG Reduction Measures and the Scoping Plan
GHG Reduction Measures and the Scoping Plan
• Scoping plan will identify mix of measures and approaches to achieve 2020 target
• Every sector is was examined for potential areas for reductions
• Regulations, voluntary approaches and incentives included.
• Some sectors are viewed primarily as source of voluntary reductions for use in emission trading
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Defining the Agriculture Sector for the Scoping Plan
Defining the Agriculture Sector for the Scoping Plan
• Energy crops
• Management of on-farm residual biomass such as prunings, straw, or manure
• Animal Agriculture: Production of meat, eggs, and milk
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Defining Agriculture for the Scoping Plan – Most Pertinent to Veg. Crops
Defining Agriculture for the Scoping Plan – Most Pertinent to Veg. Crops
• Application and management of water
• Use of fertilizers and crop protection materials
• Field Tillage and Harvesting Operations
• Fuel efficiency of on-farm equipment
• Carbon sequestration in soils and crops
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Strategy PrioritizationStrategy Prioritization
Near-term and longer-term strategy development prioritization based on the following elements:– Availability of data for quantifiable
reductions
– Estimated reduction potential
– Co-benefits
– Voluntary win-win opportunities offering cost savings for agricultural producers
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Near-Term FocusNear-Term Focus
• Livestock and Confined Animal Facilities– Reduction of methane production at source
– Energy recovery from methane capture
• Agricultural Biomass Utilization
• Voluntary win-win strategies offering cost savings to the producer– Tractor tire inflation program
– Agricultural irrigation pump efficiency program
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Longer-Term FocusLonger-Term Focus
• Enteric fermentation
• Dedicated bio-fuel crops
• Composting
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Longer-Term Focus: Of Interest to Vegetable Crops
Longer-Term Focus: Of Interest to Vegetable Crops
• Fertilizer (Nitrogen) use efficiency
• Water Use Efficiency
• Use of renewable energy; e.g. solar
• Farmscape and soil carbon sequestration (food safety?)
• Restrictions on fuel emissions/efficiency
• Reduction of refrigerant emissions
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• Reduce GHG emissions through more efficient agricultural practices
• Potential Approaches – Crop Management – Water Management– Pump Efficiency and Electrification– Conservation Tillage– Fertilizer Use Efficiency
Agricultural Sector Agricultural Sector ReponseReponse: : Efficiency ImprovementsEfficiency Improvements
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Agricultural Sector Response: Research
Agricultural Sector Response:Agricultural Sector Response: ResearchResearch
• Explore improved agricultural practices and their impacts
• Potential Approaches
– Life Cycle Analysis
– Best Practice Protocols
– Fertilizer N2 O Emissions
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Research on GHG Emissions from Nitrogen Fertilizers
ARB wants to better understand nitrous oxide (N2O) emissions from agricultural ecosystems under California specific conditions
Two phase research project- 1st phase data used to develop CA specific baseline emissions & validate N2O emission models
Second phase will look at improved fertilizer management practices
ARBs estimates N2O at 15.6 MMTCO2E, 2.8 % of CA total GHG emissions. Ag soil is 50 % of that total
4.9 MMTCO2E of N2O emissions from ag soil results from application of organic and synthetic fertilizers
Joint research by ARB/CEC/CDFA with research teams from CSUF/UCD w/ multiple crops in dif climates to begin early 2009
www.arb.ca.gov/ag/fertilizer/fertilizer.htm
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Agricultural Sector ResponseAgricultural Sector Response
• Farm GHG assessments and audits
– Winegrape grower’s energy audits; solar installations; GHG footprint calculation; development of industry GHG protocol and calculator.
– Rice Industry research to ID GHG emissions and develop reduction practices.
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Exposure to ChangeExposure to Change
Agricultural Agricultural Vulnerabilities to Vulnerabilities to Climate ChangeClimate Change
• Agricultural technology• Land use for ecosystem services• Public investment in resource
mgmt• Institutions for risk mgmt
Adaptation for agricultural sustainability
Mitigation of GHG emissions
External Agricultural
Markets
Climate Change Scenarios Regulations
Population Growth
ResponseResponse
• Less fossil fuel use• Reduced net GHG emission
from agriculture• Changing fertilizer practices
Regional planning issues Local production issues• Urbanization & land use
change• GHG emission mgmt• Institutions & time frame
• Crop yields & crop mix• Agricultural economics• Resources (water, fertility,
energy, biodiversity etc.)
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ConclusionsConclusions
• AB 32 addresses agriculture. In the near term it is focused on:
• Vehicle efficiency standards; water use efficiency; renewable energy; and, methane capture at large dairies.
• Future GHG reduction opportunities: N2O emissions and farm-level efficiency improvements.
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For More information:For More information:
• AB 32 Scoping Plan:
http://www.arb.ca.gov/cc/scopingplan/ document/scopingplandocument.htm