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ensurance·3 min read

landslide math: financing slope stability and floodplains before the next atmospheric river

turn upstream buffers into financed infrastructure before storms hit

atmospheric rivers don’t care about your balance sheet. aceh’s landslides and the pacific northwest floods are the invoice for unfunded natural infrastructure—unstable slopes, logged headwaters, paved floodplains. ensurance turns those buffers into financed assets before the next storm.

what’s really failing: unfunded buffers

  • forests and soils keep hillsides in place; riparian floodplains absorb peak flows.
  • when they’re underfunded or degraded, the bill shows up as washed-out roads, blown-out pipes, and insurance losses.
  • retroactive payouts don’t reopen highways or keep water plants online.

the math: cost vs value vs avoided loss

  • cost: acquiring/servicing upstream parcels, restoring roots/soils, reconnecting floodplains.
  • value: avoided emergency spend, reduced downtime, lower treatment costs, better actuarial loss curves.
  • natural cap rate: ecosystem-service value ÷ asset cost. unstable slopes often pencil at triple-digit % because the loss vector is so concentrated.

how ensurance finances slope stability and floodplains

  • specific certificates: fund named slopes, headwaters, and floodplain segments; proceeds route to reforestation, soil stabilization, culvert right-sizing, MRV.
  • general coins: basin-wide liquidity to co-fund multiple sites; market activity feeds proceeds for maintenance.
  • proceeds cycle: instance (urgent works after storms), time-based (seasonal crews), continuous (monitoring, sensors, vegetation management).
  • ENTRUST: once premiums are met, critical buffers are locked into permanent protection so they don’t get logged, paved, or sold off.

who should move first

  • water + wastewater utilities: upstream stability is cheaper than downstream turbidity and plant outages.
  • city/county resilience leads: slopes and floodplains are public safety infrastructure—fund them like roads.
  • insurers/reinsurers: loss-prevention lever; co-fund certificates to bend your cat curves.
  • infrastructure operators (power/rail/transport): single-slope failures knock out corridors; co-own the buffer you depend on.

how to run it

  1. map the high-consequence slopes and floodplains (think “where one slip = multiweek outage”).
  2. issue specific certificates for the top sites; set premiums to the avoided-loss value you can defend.
  3. layer a general coin for basin-wide maintenance; direct proceeds into a resilience program with MRV.
  4. lock priority buffers into ENTRUST after premiums are met; keep maintenance funded via proceeds.

why now

  • warm, low-snow winters shift peak flows to rain: more landslide/flood risk, less natural storage.
  • atmospheric rivers are accelerating; treatment plants and bridges are already failing in the PNW.
  • actuarial models are repricing flood/landslide exposure—better to finance prevention than buy pricier cover.

taking action

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have questions?

we'd love to help you understand how ensurance applies to your situation.