The company that decided not to fight the rising water. Instead it raises the ground - with robots that bury wood and lift the land above them.
THE PITCH, MADE PLAIN. A car-sized rover, a shipping container of slurry, and the quiet promise that the lawn won't even notice. This is what raising a city looks like before the water arrives.
Picture a low lot in San Rafael, the kind of place where a king tide turns the street into a mirror. There is no wall. There is no sandbag pyramid. There is a tracked robot, roughly the footprint of a parked car, drilling a slim well and pumping a slurry of waste wood forty to sixty feet down. Above it, the grass holds still. Below it, the land begins to rise.
That is the trick Terranova is selling, and it is a strange one: instead of holding back the sea, lift everything the sea is coming for. A mothership coordinates three injection rovers. Together they raise about an acre by a foot a day. The surface is never torn open. Full consolidation - the moment the ground becomes solid enough to build on - takes hours, not the years that conventional fill demands.
The founders are Laurence Allen, a UC Berkeley mechanical engineer who built the first version as an undergraduate, and his co-founder and chairman Trip Allen. Both are from San Rafael. When Laurence asked the experts how to save his hometown from the bay, the answer kept coming back the same: a seawall the city could never afford. So he built a different answer instead.
There is a second trick hiding inside the first. The wood that goes underground does not rot back into the sky. It stays put, a durable carbon sink, which means every lift is also a sequestration project that can be sold as carbon credits. One robot, two business models. Climate resilience on top, carbon market underneath.
We've solved the challenges related to flooding - that's the headline.
GIS and genetic-algorithm software - a SimCity-style planner - reads soil, flood risk and target elevation to design the campaign.
Autonomous rovers drill wells and pump a proprietary wood-waste slurry 40-60 feet underground, no surface disruption.
One mothership and three rovers raise roughly an acre by a foot a day. The land climbs; the lawn stays put.
The buried biomass becomes a long-term carbon sink - sequestration that converts into sellable carbon credits.
Figures are approximate and drawn from public interviews and reporting. Bars are scaled to the high end of the seawall estimate.
Car-sized tracked rovers that drill and inject. A mothership runs three of them in a closed loop, raising an acre a foot a day.
GIS plus genetic algorithms design exactly where slurry goes - a planning tool stakeholders can read like a game board.
Waste-wood slurry stays buried as a durable carbon sink, generating credits that help offset the cost of each project.
Elevating sites before housing, infrastructure, wetland restoration and defense projects - solid ground in hours, not years.
Terranova represents a new category at the intersection of robotics and climate resilience.
Founded at UC Berkeley by mechanical-engineering undergraduate Laurence Allen - originally under the name Levitree.
Pilot site tested for over a year, validating underground injection and land-lift before any public launch.
Inside Climate News profiles the AI-guided robots aimed at San Rafael's sea-level rise - and at sequestering carbon.
Emerges from stealth with a $7M seed round led by Outlander and Congruent Ventures; sets out to fund first field projects and scale the fleet.
Return to where we started: the mirror-flat street, the king tide, the home that floods because the land beneath it has been quietly sinking for a century. The old script offered two endings - a wall the city couldn't pay for, or the water. Terranova wrote a third.
Now the rover finishes its pass and rolls to the next well. The slurry sets. Over a season the lot is a foot higher, then two, then four - and the carbon that would have warmed the sky is forty feet down instead, counted, credited, gone. The wall was never built because the wall was never needed.
It is a small machine making a large claim: that the ground is not fixed, that geography is negotiable, that a town can simply decide to rise. Whether the bay agrees is the test ahead. But the lot that used to flood is dry, the lawn never knew a thing, and the company that did it started with one engineer who refused to accept the only answer he kept being given.