sheila walsh reddy the nature conservancy
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Enabling Businesses To Evaluate the Role of Habitats in Hurricane Risk Mitigation. Sheila Walsh Reddy The Nature Conservancy. Growing business risk…. Climate Change Energy & Fuel Material Resource Scarcity Water Scarcity Population Growth Urbanization Wealth Food Security - PowerPoint PPT PresentationTRANSCRIPT
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Sheila Walsh ReddyThe Nature Conservancy
Enabling Businesses To Evaluate the Role of Habitats in Hurricane Risk Mitigation
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Growing business risk….
(KPMG 2011)
1. Climate Change2. Energy & Fuel3. Material Resource Scarcity4. Water Scarcity5. Population Growth6. Urbanization7. Wealth8. Food Security9. Ecosystem Decline10.Deforestation
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Sources:1. U.S. Congress, Emergency Supplemental Appropriations Bills – HR 4939, PL 109-234 and HR 3673, PL 109-62 (2005), 2. Draft Comprehensive Coast-wide Ecosystem Restoration Study, Louisiana Coastal Area (LCA), U.S. Army Corps of Engineers, October 2003
…..and business opportunities.
Sustainably managing ecosystems makes economic sense. (MEA 2005)
Hurricane Katrina$110 billionrelief fund 1
$14 billionrestoration 2
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Need Tools To Measure Missing Assets and Liabilities
$
Manufactured Capital
Natural Capital
(Photo credit: Jen Molnar, Wikicommons)
Human Capital
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Growing conservation challenges…..
TNC 1955
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……global conservation needs partnerships.
TNC 2013: priority areas
TNC Lands (USA)
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Nature Conservancy-Dow Collaboration
To find ways for companies to incorporate the value of nature
into business decisions.
Jennifer Molnar
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TNC-Dow Pilot site analyses
Globe: http://www.worldmapsonline.com/earth_satellite_image_mural.htm; Photos: Jennifer Molnar
Freeport, Texas
Santa Vitória, Brazil
• Air quality via reforestation
• Coastal protection • Freshwater supply
• Agricultural supply chain
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Freeport: Hurricane Risk Mitigation
Globe: http://www.worldmapsonline.com/earth_satellite_image_mural.htm; Photos: Jennifer Molnar
Hypothesis:Understanding the role of coastal habitats in storm protection will improve levee design and reduce costs, especially in the face of sea level rise
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The Problem
Global Losses from Natural Hazards are Increasing
Billi
ons U
S$
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The Opportunity
Ecosystems May Mitigate Losses
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Natural and Built Infrastructure
And?Or?
Salt marsh Levee or Sea wall
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Freeport: Hurricane Risk Mitigation
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Valuation for Corporate Coastal Hazard Mitigation
Natural Hazard Mitigation
Economic Costs and Benefits to
Business and Public
Levees
Additional Benefits
(e.g. Recreation)
Biodiversity
Habitat
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Scenario Comparisons
Coastal Habitat LeveeCoastal Habitat +Levee Designed for Coastal Habitat
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Methods: Overview
• Model future land cover with sea level rise, development
• Identify levee design for 100 yr storm• Analyze flood and damages from Cat 1-5 storms• Compare avoided damages• Assess other public and ecosystem benefits• Evaluate opportunities to enhance/protect
values
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Sea Level Rise and Decreasing Marsh Habitat
35% decrease in marsh9% decrease in marsh
Current 2050, 0.57 m sea level rise 2100, 1.29 m sea level rise
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Sea Level Rise and Marsh Loss Increases Risk from a 100 yr Storm in 2050
0.6 m Sea Level Rise
12% Higher Floods
9% Higher Levee Costs
Mitigating Effect of Habitat
1% Lower Floods
1% Lower Levee Costs
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Small Private and Large Public Benefits from Habitat
• Habitat for >200 Species
• Habitat for 12 Fisheries
• Carbon Sequestration - Negative in long-term
Additional Habitat Values:
*Chart not to scale
*
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Restoration May Maintain/Improve Benefits
Restored Dry Lands
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c
Other Potential Opportunities for Coastal Protection?
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c
Outcomes
The Value of Information for Risk Management
Science:Link ecological change
to business value
Business method: Ability to value missing
assets
Inform Conservation/
Business Priorities:When do marshes have
significant protective values?
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Future Challenges: An Invitation
Science:Link ecological change
to business value
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Future Challenges: An Invitation
Business method: Ability to value missing
assets
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Future Challenges: An Invitation
Inform Conservation/
Business Priorities:When do marshes have
significant protective values?
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Acknowledgments• TNC-Sustainability Science: Sheila Walsh (co-lead), Tim
Boucher, Jon Fisher, Anthony Rogers, Alex Maas, Jen Molnar• Dow: Doug Whipple (co-lead), Daniel Ramirez, John DiMuro,
Judy Gunderson• TNC-TX: Jorge Brenner, Michael Thompson• Natural Capital Project: Greg Guannel, Rob Griffin, Joe Faries,
Joey Bernhardt, Greg Verutes, Spencer Wood, Jess Silver, Jodie Toft, Anne Guerry
• TNC-Global Marine: Mike Beck, Chris Shepard• Warren Pinnacle Consulting: Jonathon Clough, Marco Propato,
Amy Polaczyk• AIR: Akshay Gupta, Andrew Kao• Funding: Dow Chemical Company Foundation
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Extra Slides
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Landcover Change
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Value of nature
Company
Jennifer Molnar
Public
Ecosystems
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Hybrid and Levee Infrastructure Scenarios Provide Similar Levels of Private Protection