Assembly Concurrent Resolution 107 formally recognizes the Diablo Range as a landscape of statewide importance and commends the Natural Resources Agency, partner organizations, and individuals for efforts to raise awareness of the range’s values. The text summarizes geographic boundaries, species and habitat significance, recreational potential, agricultural links, water and climate benefits, and the need for landscape-scale fire management.
The resolution is nonbinding: it does not create programs, appropriate funds, or alter land-use law. Its practical effect is political and directional — it elevates the Diablo Range in the legislature’s view, which may shape agency priorities, intergovernmental collaboration, grant narratives, and advocacy around future conservation actions, including possible national monument designation.
At a Glance
What It Does
ACR 107 is a concurrent resolution that declares the Diablo Range a landscape deserving amplified consideration and commends state agencies and stakeholders for collaborative efforts. It recites geographic boundaries, lists ecological and cultural benefits, references the state’s 30x30 conservation goal, and asks the Assembly Chief Clerk to distribute copies of the resolution.
Who It Affects
The resolution primarily addresses state actors (Natural Resources Agency and its departments), local governments across listed counties, conservation organizations, tribal communities, landowners and managers in and near the Diablo Range, and recreation and agricultural interests adjacent to the range.
Why It Matters
Although ceremonial, the resolution creates an official legislative statement that agencies and funders can cite when prioritizing projects, grantmaking, or planning. It also concentrates attention on cross-jurisdictional issues — wildlife connectivity, wildfire management, and balancing conservation with working lands — that require coordinated action.
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What This Bill Actually Does
ACR 107 is a short, symbolic legislative statement rather than a law. It opens with a geographic description that attempts to define the Diablo Range by key landmarks and transport corridors, then catalogs the range’s values: wildlife habitat and corridors, recreation, agriculture, groundwater recharge and flood attenuation, carbon sequestration, scenic and cultural resources, and wildfire risk.
The resolution explicitly connects these values to the state’s 30x30 conservation goal and frames the range as an opportunity to advance multiple state objectives without prescribing how to do so.
The text names specific species and places — from Mount Diablo to the Carrizo Plain — and enumerates the counties that the range traverses. It highlights a June 5, 2025 convening of more than sixty organizations, using that meeting as evidence of growing stakeholder collaboration.
The resolution concludes by commending the Natural Resources Agency and others for their efforts and instructs the Assembly Chief Clerk to transmit copies to the author for distribution.Practically, the resolution creates a legislative posture: it signals legislative interest and can be used in agency briefings, planning documents, or grant applications as evidence of statewide priority. It does not appropriate money, create regulatory obligations, or change property rights; any policy or funding shifts to act on the resolution’s aims would require separate statutory or budgetary action.
The combination of geography, catalogued benefits, and explicit linkage to high-level goals (like 30x30 and national monument consideration) is intended to focus future policy discussions and mobilize partners across jurisdictions.
The Five Things You Need to Know
ACR 107 is a concurrent resolution — a nonbinding legislative statement that neither creates new law nor appropriates funds.
The resolution identifies more than 3,500,000 acres and lists 12 counties through which the Diablo Range runs, supplying a working geographic footprint for planning discussions.
It explicitly connects the Diablo Range to California’s 30x30 conservation goal and to benefits such as groundwater recharge, flood attenuation, and carbon sequestration.
The text names wildlife and plant species of concern (California condor, tule elk, golden eagle, mountain lion, blunt-nosed leopard lizard, and the Mount Diablo globe lily) to underscore biodiversity priorities.
ACR 107 notes a June 5, 2025 convening of over sixty organizations and directs the Assembly Chief Clerk to transmit copies of the resolution for distribution.
Section-by-Section Breakdown
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Geographic definition and catalog of values
The opening paragraphs map the Diablo Range using recognizable landmarks and transport corridors and enumerate its core benefits — wildlife habitat, recreation, agriculture, water resources, scenic and cultural assets, and climate-related services. For practitioners, this language functions as a congressional-style definition: it establishes a descriptive boundary and a policy frame that agencies can reference when prioritizing geographies for conservation planning or grantmaking.
Species, connectivity and cultural resources
This section lists particular species and frames the range as a wildlife corridor linking northern and southern landscapes, while also noting indigenous and historical cultural resources. Naming species and connectivity objectives provides seeds for targeted conservation actions, such as habitat restoration or corridor protection, but the resolution does not prescribe how to reconcile conservation with private land use or how to engage tribes beyond recognition of cultural resources.
Natural infrastructure and management priorities
The resolution highlights ecosystem services — groundwater recharge, flood attenuation, carbon sequestration — and calls attention to the need for landscape-level vegetation treatments to reduce fire risk. That linkage signals to agencies that multi-benefit land management is a priority, but it leaves implementation details, funding responsibility, and cross-jurisdictional coordination unspecified.
Commendation and distribution
The operative text formally recognizes the importance of the Diablo Range, commends the Natural Resources Agency and stakeholders, and directs the Assembly Chief Clerk to transmit copies of the resolution. This is a ceremonial but deliberate act: by commending agencies and convenings, the Legislature creates a record that stakeholders can cite, but it stops short of imposing duties or authorizing agency action.
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Who Benefits
- Conservation organizations — gain an official legislative statement they can cite when applying for grants, engaging partners, or advocating for project prioritization in the Diablo Range.
- State natural resource agencies (e.g., Natural Resources Agency and its departments) — receive a legislative signal that can justify prioritizing planning, interagency coordination, and proposals focused on the Diablo Range.
- Local outdoor recreation and nature-based tourism businesses — benefit from enhanced promotion and potential investments that raise visitation and associated economic activity.
- Tribal communities and cultural resource stewards — receive formal recognition of the cultural significance of the range, which can strengthen calls for consultation and protective measures tied to landscape management.
Who Bears the Cost
- State and local agencies — may face increased expectation to prioritize projects and coordinate across county lines without new dedicated funding, effectively creating an unfunded prioritization pressure.
- Private landowners and ranching operations — could encounter heightened conservation interest, increased outreach, or voluntary transaction pressure (easements, acquisitions) that affect land-use discussions and market dynamics.
- Local governments in fast-growing cities bordering the range — may absorb political and planning pressure to balance development, public access, and habitat protection, potentially complicating local land-use decision-making.
Key Issues
The Core Tension
The central dilemma is symbolic prioritization versus concrete trade-offs: the Legislature can elevate the Diablo Range as a priority and rally support, but without funding, regulatory changes, or a clear implementation framework that balances conservation, working-land uses, and local control, the resolution may heighten competition for scarce resources and produce conflicting expectations among landowners, tribes, and agencies.
ACR 107 is a political tool more than a policy prescription; its main effect is to create a legislative record elevating the Diablo Range. That raises two immediate implementation challenges.
First, recognition without funding or statutory authority can create expectations among stakeholders that agencies or the Legislature will act further — expectations that may collide with budget constraints or competing priorities. Second, the resolution’s descriptive mapping and catalogue of values leave substantive questions unanswered: where should protections happen first, how will private lands be engaged, what are the roles of counties versus state agencies, and how will tribes be consulted and compensated for cultural resource protections?
A second tension arises between ecosystem conservation and continued agricultural and recreational uses. The resolution frames the Diablo Range as both a working landscape and a conservation priority, but it offers no mechanism to reconcile potential conflicts (for example, habitat protections that limit grazing or new public access that increases wildfire risk).
Finally, language that links recognition to building momentum for a national monument invites federal action that could alter land management regimes and require negotiated federal-state-tribal-private arrangements — a complex process with winners and losers that this resolution only gestures toward rather than structures.
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