{ "source": "Cooked Index — occupational AI risk register", "page": "https://cookedindex.com/jobs/tree-trimmers-and-pruners/", "methodology": "https://cookedindex.com/methodology", "notice": "Verdicts are re-examined as evidence accumulates. Re-fetch before relying on this; the page above always carries the current score.", "scored_at": "2026-08-11", "model": "claude-opus-5", "occupation": { "title": "Tree Trimmers and Pruners", "soc_code": "37-3013", "category": "Facilities", "us_employment": 55160, "median_annual_wage": 50960 }, "verdict": "SAFE", "risk_resistance": 70, "contested": false, "near_boundary": false, "dimensions": { "task_resistance": 17, "embodiment": 20, "liability_shield": 9, "trust_premium": 11, "judgment_accountability": 13 }, "reasoning": { "task_resistance": "Setting a false crotch, tying a running bowline on a 900-lb limb, and cutting a hinge so the piece swings clear of a conservatory roof are decisions made from inside the canopy with hands on the wood — no sensor package tells you the union is included and about to split, so at 17 only the mensuration, work-order triage, and clearance-audit paperwork are genuinely offloadable.", "embodiment": "You spend the shift on spurs or in a saddle 60 feet up, or in a bucket beside 7,200-volt primary, running a top-handle saw one-handed while wind moves the spar — this is the ceiling case for uncontrolled physical work, which is why it sits at 20 rather than the 15 a ground-based landscaper gets.", "liability_shield": "ISA Certified Arborist, TCIA accreditation, and ANSI Z133 / OSHA 1910.269 line-clearance qualification are what utility contracts and municipal bid specs demand, but no state issues a personal practice licence you can lose, so the firm's insurer and the crew leader absorb the exposure — that split is what puts it at 9 instead of the 14+ an electrician or surveyor earns.", "trust_premium": "Homeowners hire the outfit that showed up after the last ice storm and didn't crater the lawn, and utility line-clearance work runs on multi-year contracts where the foreman knows the circuit and the ROW landowners by name — real repeat relationships, but the customer is buying the limb on the ground, not your counsel, which caps it near 11.", "judgment_accountability": "The call to abandon a climb because the trunk sounds hollow on a mallet test, to notch a leaning stem against the lean, or to declare a minimum approach distance breach and stop work is yours in the moment with a groundie and a house underneath — high-stakes and unscripted, though Z133 and the pre-job briefing supply enough structure to keep it at 13 rather than the top band." }, "rationale": "The job is climbing trees with a chainsaw and rigging limbs away from power lines, roofs, and cars — no current robot does this, and the environment (rotten wood, wind, uneven terrain, live conductors) changes every hour. AI can handle the estimate, the route schedule, and the aerial-imagery survey that flags which trees need work, but the cut itself, the rigging plan, and the on-the-spot call about whether a leader is safe to climb stay human. Licensure is patchy — ISA Certified Arborist and utility line-clearance qualification matter commercially and are sometimes contractually required, but not universally mandated by law.", "outlook": "Demand grows with aging urban canopy and utility vegetation mandates; AI reshapes bidding, inspection, and dispatch while the climbing and cutting work stays firmly human through the 2030s.", "what_would_raise_it": { "levers": [ { "dimension": "liability_shield", "change": "State-level arborist licensing with personal liability, on the model of existing schemes: Louisiana, Maryland, Connecticut, Rhode Island and Minnesota already license or register arborists/tree experts. If more states adopt statutes requiring a licensed arborist to sign off on removals, protected/heritage tree work, or work within utility easements, plus a mandated qualified line-clearance arborist under OSHA 1910.269 / ANSI Z133 for any conductor-proximate cut, the shield rises materially.", "plausibility": "plausible", "would_add": 5 }, { "dimension": "liability_shield", "change": "Municipal tree ordinances (Portland, Atlanta, Austin) increasingly require a signed arborist report before permit issuance for street/heritage tree removal; broader adoption plus a rule that AI-generated canopy assessments must be countersigned by a certified arborist would add a durable signature requirement.", "plausibility": "already happening", "would_add": 3 }, { "dimension": "liability_shield", "change": "Insurer/utility contract requirements: wildfire-liability pressure on utilities (PG&E, SCE, Xcel vegetation management consent decrees) driving contract terms that require named ISA/utility-qualified personnel to certify clearance work per span, with retained liability.", "plausibility": "already happening", "would_add": 2 }, { "dimension": "judgment_accountability", "change": "Task-mix shift: as aerial LiDAR/imagery triage and route scheduling automate the 'which trees, in what order' tier, the remaining crew day concentrates on the ambiguous calls — hazard-tree risk rating, whether a decayed leader holds a climber, whether to rig or crane. Formalizing this via TRAQ (Tree Risk Assessment Qualification) as a contractual prerequisite for hazard-tree decisions makes the judgment tier explicit and attributable.", "plausibility": "plausible", "would_add": 4 }, { "dimension": "trust_premium", "change": "Homeowner-side demand for a named, credentialed human is real but modest and price-sensitive; the realistic route is narrow — heritage/specimen tree care, historic estates, and post-storm insurance claims where a signed human assessment is required. Broad residential trimming will not sustain a human premium.", "plausibility": "unlikely", "would_add": 2 } ], "ceiling_note": "Already 70/100 with embodiment maxed and task_resistance near ceiling; realistic headroom is almost entirely in liability_shield, and it is bounded by the fact that most residential trimming is low-dollar, unpermitted work no legislature is motivated to license." }, "adjudication": null, "employment_history": { "points": [ { "y": 2017, "emp": 41140, "wage": 36460 }, { "y": 2018, "emp": 42440, "wage": 38190 }, { "y": 2019, "emp": 47210, "wage": 39980 }, { "y": 2020, "emp": 52040, "wage": 41340 }, { "y": 2021, "emp": 41920, "wage": 46970 }, { "y": 2022, "emp": 48150, "wage": 47080 }, { "y": 2023, "emp": 50270, "wage": 49070 }, { "y": 2024, "emp": 47870, "wage": 50430 }, { "y": 2025, "emp": 55160, "wage": 50960 } ], "from": 2017, "to": 2025, "change_pct": 34.1, "comparable_from": 2019, "spans_soc_revision": true }, "pivots": [], "license": "https://cookedindex.com/terms" }