Changes

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==Strategies==

==Mitigative strategies==

[[File:Western beaches storage tunnel.jpg|300px|thumb|right|The 4km long West Beaches Storage Tunnel in Toronto stores and treats combined sewer overflows and stormwater to prevent untreated sewage from entering Lake Ontario. It an grey infrastructure solution which helps prevent localized flooding by collecting and storing water and uses [[sedimentation]] and UV disinfection to improve water quality (McNally, 2017) <ref>McNally. 2017. Western Beaches Tunnel – Toronto, ON. http://mcnally.ca/tunneling-projects/western-beaches-tunnel-toronto/#:~:text=Project%20Outline,pump%20station%20at%20Strachan%20Avenue.</ref>.]]

[[File:Western beaches storage tunnel.jpg|300px|thumb|right|The 4km long West Beaches Storage Tunnel in Toronto stores and treats combined sewer overflows and stormwater to prevent untreated sewage from entering Lake Ontario. It an grey infrastructure solution which helps prevent localized flooding by collecting and storing water and uses [[sedimentation]] and UV disinfection to improve water quality (McNally, 2017) <ref>McNally. 2017. Western Beaches Tunnel – Toronto, ON. http://mcnally.ca/tunneling-projects/western-beaches-tunnel-toronto/#:~:text=Project%20Outline,pump%20station%20at%20Strachan%20Avenue.</ref>.]]

[[File:FEMA P-259 Engineering Principles and Practices for Retrofitting Flood-Prone Residential Structures Structure protected by levee and floodwall 520px (1).png|300px|thumb|right|Floodwall and levee protects building from flood water (Reduce Flood Risk, 2022)<ref>Reduce Flood Risk. 2022. Construct a floodwall barrier. https://www.reducefloodrisk.org/mitigation/construct-a-floodwall-barrier/</ref>.]]

[[File:FEMA P-259 Engineering Principles and Practices for Retrofitting Flood-Prone Residential Structures Structure protected by levee and floodwall 520px (1).png|300px|thumb|right|Floodwall and levee protects building from flood water (Reduce Flood Risk, 2022)<ref>Reduce Flood Risk. 2022. Construct a floodwall barrier. https://www.reducefloodrisk.org/mitigation/construct-a-floodwall-barrier/</ref>.]]