Heidi Ricci, Senior Policy Analyst, MassAudubon
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Transcript of Heidi Ricci, Senior Policy Analyst, MassAudubon
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GREEN TOWN: How to Get Thereand Why it Matters
Wednesday, June 25, 2013 Morse Institute Library, Natick MA
E. Heidi Ricci, Mass Audubon
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Building Resilient Communities – Smart Planning and Siting, Low Impact Development and Green
Infrastructure
• Land Use Patterns and Trends
• Climate Change – Impacts
• Landscape-level Planning for Resiliency
• Infrastructure – Gray and Green
• Building More Sustainably – Conservation Design, Low Impact Development
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Fifth edition, 2014
2003
2009
1999
1987
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New Development TrendsDevelopment Rates in Massachusetts (2005-2013)
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Shaping the Future of Your Community Program
Working in the state’s fastest developing regions to provide community leaders and concerned citizens with tools and support to chart a more sustainable future
www.massaudubon.org/shapingthefuture
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2014 National Climate Assessment
• Climate change is already affecting the American people in far-reaching ways… extreme weather events … have become more frequent and/or intense, including prolonged periods of heat, heavy downpours, and, in some regions, floods and droughts…These and other aspects of climate change are disrupting people’s lives and damaging some sectors of our economy.
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Image credit: U.S. Global Change Research Program (www.globalchange.gov).
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Climate Change Paradox
More Floods More DroughtsStresses of sprawl, impervious surfaces,
nonpoint source pollution exacerbated
Mass Rivers Alliance 2009
NOAA
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Adaptation
• ADAPTATION means increasing resiliency and reducing vulnerability of our natural and built systems, and better preparing our response capabilities
Bill S.2028 An Act providing for the establishment of a comprehensive adaptation management plan [CAMP] in response to climate change
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Land Use and Resiliency
• Coastal and inland upland buffers reduce storm impacts
• Compact development and land conservation keeps forested and natural (carbon absorbing) lands intact
• Massachusetts’ forests are sequestering 12% of our annual carbon emissions. An acre of forest holds 85 tons of carbon
• Trees provide shade, reduce urban heat islands. LID/bioretention in built areas – multiple benefits
• Natural landscapes provide free protective services – “nature’s defenses”
• Forests and wetlands: absorb water, decrease flooding and recharge our drinking water.
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Landscape Planning
• Protect highly resilient lands
• Concentrate development away from vulnerable areas
• Align local plans and zoning
• Look beyond parcel and municipal boundaries
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Prioritize Protection:Important habitat and Green Infrastructure
Prioritize Development:Concentrate near infrastructureand away from important natural resources
Planning Ahead for Growth and Development
Regional Plans – Implementation Toolkitwww.massaudubon.org/495Toolkit
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• Lower infrastructure costs – less roads, stormwater management
• Reduced clearing and grading
• Protect water supplies
• Prevent flood damage, protect wetland buffers and floodplains
• Protect forests and farmlands
• Provide open space and trails for people and nature
• Support high quality of life and property values
Benefits of Reducing Sprawl & Protecting Natural Green Infrastructure
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Green Infrastructure
• Natural, constructed, or restored features• Provide ecosystem services such as water filtration
and recharge; temperature moderation; preventing erosion; capturing carbon, nutrients, and pollutants; and supporting fish, wildlife, and/or food production
• Features may be natural such as forests, floodplains, wetlands and buffer areas, or
• Built or engineered to mimic or restore natural processes, such as rain gardens, green roofs, bioretention areas, constructed wetlands, or living shorelines.
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Resiliency and the Built Environment
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10 years
10 years
10 years
10 years
10 + years
Estimate for Stream Crossing Span:
Cost of Two Replacements in 6 years:
$130k
$300-400k
Comparison of Estimated Crossing Lifespan and Costs
River process slides courtesy Carrie Banks, MA Division of Ecological Restoration
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Benefits of Green Infrastructure and LID
• Environmental
• Aesthetics and market value
• Avoided costs
• Meeting regulatory requirements
• Adapting to Climate Change
Gap in water infrastructure funding over next 20 years, Water Infrastructure Finance Commission, 2012. Slide by Martin Pillsbury, MAPC
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Mosquitoes and StormwaterStormwater catch basins and detention ponds are prime mosquito breeding habitat
Low Impact Development does not harbor mosquitoes
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www.massaudubon.org/shapingthefuture
Heidi [email protected]
Valerie Massard, AICP, [email protected]