integrating climate change into land use planning: a ... · development patterns, land use concepts...
TRANSCRIPT
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Integrating Climate Change Into
Land Use Planning:
A Proposed Approach
September 21st 2018
Gabriel Clarke - Manager of Sustainability & Climate Change
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Development patterns, land Use concepts & GHG emissions
An approach for integrating climate mitigation into the planning process
An approach for integrating climate adaptation into the planning process
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Overview
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• Development patterns have a profound and long term impact on community level GHG emissions.
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Development Patterns
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• We also know that certain forms of development are more GHG intensive than others.
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Development Patterns
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• Density and Compact Development: Measures the degree to which land is efficiently used in a community.
• i.e. Number of people and jobs per hectare
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Land Use Concepts that Impact GHG emissions
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• Mixed Use Development: Integrate various compatible land use types into developments (residential, commercial, recreational, office space etc.)
• i.e. live, work and play in the same community
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Land Use Concepts that Impact GHG emissions
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• Transit: Transit reduces vehicle use
• Frequency and ease of use
• Fee structure
• Direct relationship between financial viability & density
• Minimum density required
• Transit enables parking reduction, further promoting density
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Land Use Concepts that Impact GHG emissions
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• Walkability and Active Transportation: reduce vehicle use via human-powered transportation
• Key considerations
• Infrastructure (paths, signalization, maintenance)
• Proximity of destinations
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Land Use Concepts that Impact GHG emissions
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• Green Development Standards: Integrate energy efficiency into the design of buildings
• Enabling Legislation:
• 2006 Bill 51: ability to review applications for “sustainable design”
• 2014 Provincial Policy Statement
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Reducing GHG emissions from Buildings
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• Retain GHG Sinks:
• Trees and wetlands
• Integrate GHG sinks
• Urban tree canopy
• Landscaping
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Landscape-Level GHG sequestration
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Land Use Planning & GHG emissions
• Achieving optimal GHG reductions through land use planning requires a coordinated and cross-disciplinary approach.
Density Mixed Use TransitActive
Transportation
Green Development Standards
Landscape GHG Sequestration
Low Carbon Development
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Development Scenarios + GHG Inventories
• Development scenarios are commonly used to evaluate various potential economic environmental, social, and quality of life impacts
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Development Scenarios + GHG Inventories
• Evaluate the development scenarios from a GHG emissions perspective
• Quantify:
• GHG impact of building stock and energy systems
• GHG impact of transportation
• GHG impact of natural carbon sinks
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Development Scenarios + Climate Adaptation
• Complete localized future climate assessment
• Temperature, precipitation, extreme weather events
• 3 RCPs to account for uncertain GHG trajectory
• Map out climate impacts on community
• Identify key resilience and adaptation challenges
• i.e. Flooding, heat waves, rain/ice/snow storms etc.
• Stress test development scenarios
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Resilient, Low Carbon Development
Integrate findings from mitigation and adaptation exercises into one or more “climate ready” development scenarios and evaluate them against the community’s other economic, social and environmental priorities.
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Thank You
Gabriel Clarke MES, BAManager of Sustainability & Climate Change
Town of Halton Hills905-873-2601 ext. [email protected]