Codify — Article

Adapting to a Hotter Ontario Act, 2026 — worker heat rules, adaptation fund, wildfire planning

Creates a provincial worker heat-protection standard, an arm’s-length climate adaptation fund and new bodies to coordinate flood, heat and urban-wildfire resilience across Ontario.

The Brief

This bill bundles three linked responses to climate-driven risk. First, it amends the Occupational Health and Safety Act to require a Worker Heat Protection Standard and mandatory heat-related training, and to guarantee paid compensation for rest, recovery and training periods tied to that standard.

Second, it establishes a statutory framework for province-wide climate adaptation: a legislated strategic action plan, an arm’s-length Ontario Climate Adaptation Fund, a resource centre for adaptation data and practice, and a Whole-of-Government Coordination Secretariat to align ministry plans. Third, it creates an Urban Wildfires Act that convenes an expert advisory committee to assess urban-wildfire risk and require government planning and implementing measures in response.

Taken together, the measures shift Ontario from ad hoc responses to a prescribed, institution-building approach: employers will face new workplace obligations; provincial government must create funding and coordinating bodies; and municipalities, utilities, farmers and homeowners will be targeted by technical, planning and funding measures intended to reduce climate vulnerability.

At a Glance

What It Does

Adds a new heat-stress regime to the Occupational Health and Safety Act, mandates province-level adaptation infrastructure (strategic plan, fund, resource centre and secretariat), and sets in motion advisory and planning requirements to address urban wildfires. It enumerates sectoral measures—flood mapping and mitigation, urban cooling strategies, infrastructure resiliency and agriculture supports—within the strategic plan.

Who It Affects

Employers with workers exposed to hot environments (construction, agriculture, foundries, kitchens, road crews) must adopt new policies and training; provincial ministries must produce and align adaptation plans; municipalities and conservation authorities face expanded mapping, planning and public-information duties; utilities and critical-infrastructure operators face new risk-disclosure and design obligations.

Why It Matters

The bill moves Ontario from guidance to statutory obligations and institutional capacity: it ties workplace protections to climate risk, creates a dedicated financing vehicle for adaptation projects, and builds a coordination layer intended to force cross-ministry implementation—raising compliance, funding and governance questions for public and private actors.

More articles like this one.

A weekly email with all the latest developments on this topic.

Unsubscribe anytime.

What This Bill Actually Does

Schedule 1 inserts a new Part IV.1 into the Occupational Health and Safety Act that centers on a Worker Heat Protection Standard. The standard is written to prioritize engineering controls (isolation, ventilation, insulation, climate control) and then the hierarchy of controls for work practices and scheduling.

Employers must carry out heat-stress assessments, share assessment results with health-and-safety representatives or committees, provide cool drinking water at or near work areas and supply employer-paid cooling measures and personal protective equipment where needed. The schedule also requires heat-stress training for employees and supervisors, and it requires that heat-related materials be in plain language and available in English, French and other languages understood by employees.

The Act protects pay: any time an employee is required to be off the job for rest, cool-down, medical removal protection or training under the standard must be paid at the worker’s regular rate. The standard must be reviewed and updated regularly and its contents—training curricula, assessment frequency, and mandatory program elements—are subject to approval by the Chief Prevention Officer and designated training providers.

For the initial post-implementation period the Minister must report annually to the Legislature on heat-related illness and mortality and on enforcement activity.Schedule 2 creates the Ontario Climate Change Adaptation and Resilience Act, 2026. That Act requires the Minister of Environment, Conservation and Parks to develop and publish a province-wide strategic action plan that addresses floods, intense storms, extreme heat, drought and wildfires and to draw on existing impact assessments and broad public and Indigenous consultation.

It also establishes an arm’s-length Ontario Climate Adaptation Fund to finance adaptation projects and a Resource Centre to centralize regional climate data, monitoring, synthesis of research and training. The Act creates a Whole-of-Government Climate Adaptation Co-ordination Secretariat to push ministries to embed climate scenarios into policy, programming and infrastructure planning, and it builds in periodic legislative review of the strategic plan.The strategic plan is prescriptive in scope: it lists specific policy domains and candidate measures—expanded flood mapping and public portals for property-level flood risk; urban-heat mitigation programs and municipal cooling grants; requirements and incentives to retrofit rental housing to meet cooling targets; reforms to the Building Code and regulatory obligations for operators of critical infrastructure to disclose climate risks; agricultural resilience measures including on-farm water storage and crop diversification; and natural-asset inventories and reforestation funding.

The Act also links some measures to appropriations, meaning particular programs only apply if the Legislature provides money. Schedule 3 creates the Protecting Ontario from Urban Wildfires Act, 2026, which requires the Minister to stand up an expert Urban Wildfires Advisory Committee, obtain its assessment and recommendations within a year, and then develop intergovernmental plans, regulatory changes and operational protocols—covering building codes, municipal planning, firefighting resources and evacuation and recovery systems—based on that report.

The Five Things You Need to Know

1

The Worker Heat Protection Standard must be implemented within 12 months of the section coming into force.

2

Employers must pay employees their regular rate for any time spent on rest, cool-down breaks, medical removal protection and required training under the standard.

3

The Ontario Climate Adaptation Fund must be established within two years and is instructed to dispense public funds independently while remaining accountable to the Legislative Assembly.

4

The Resource Centre must be set up within one year and provide one-window access to regional climate and hydrological data, monitoring and practical adaptation guidance.

5

The Urban Wildfires Advisory Committee must be created no later than 90 days after the Act comes into force and must report its assessment and recommendations to the Legislative Assembly within one year.

Section-by-Section Breakdown

Every bill we cover gets an analysis of its key sections. Expand all ↓

Schedule 1 — Part IV.1 (Occupational Health and Safety Act)

Worker Heat Protection Standard and employer obligations

▾

This section requires the Minister to draft a comprehensive Worker Heat Protection Standard that prioritizes engineering controls and the hierarchy of controls, mandates employer heat-stress assessments, and imposes programmatic requirements including a Heat Stress and Protection Policy and Program. Practically, employers must provide cooling infrastructure, employer-paid PPE that mitigates heat, training, and share assessment results with workplace health-and-safety representatives; the standard must be published and updated regularly.

Schedule 1 — Training, language and pay protections

Mandatory training, language access and wage protection

▾

The bill mandates approved training for employees, supervisors and health-and-safety committee members, with curricula approved by the Chief Prevention Officer and delivered by approved providers. It requires communication materials in English, French and other relevant workplace languages and guarantees that time spent on required breaks, medical removal and training is paid at the worker’s regular rate—making compensation an enforceable safety element rather than a discretionary accommodation.

Schedule 2 — Strategic Action Plan

Legislated adaptation plan with scope and review

▾

The Minister must produce a strategic action plan covering floods, heat, storms, drought and wildfires that identifies vulnerable communities and lists measures across sectors (flood maps, urban cooling, infrastructure resilience, agriculture, natural assets). The Legislature will formally review the plan, and the plan must be publicly published—translating adaptation priorities into a government-wide policy instrument.

3 more sections▾
Schedule 2 — Fund, Resource Centre and Secretariat

Financial and institutional architecture for adaptation

▾

The Act creates an arm’s-length Ontario Climate Adaptation Fund to finance projects and innovation, a Resource Centre to centralize data and practical support, and a Whole-of-Government Secretariat to coordinate ministry-level adaptation planning and reporting. The Fund dispenses public funds at arm’s length but remains accountable to the Legislature; the Resource Centre is designed to be a practical ‘one-window’ hub for data, monitoring and capacity building.

Schedule 2 — Sectoral measures and appropriations

Prescriptive measures across floods, heat, wildfires, infrastructure and agriculture (some conditional on funding)

▾

The strategic plan enumerates concrete measures—expanded flood-risk mapping and public portals, requirements to capture initial rainfall on new developments, municipal grants for cooling and tree canopy expansion, a rental maximum temperature target, mandatory climate factors in infrastructure planning and Building Code updates, and agricultural supports such as on-farm water storage and crop diversification. Several of these measures are tied to appropriations, meaning implementation depends on legislative funding decisions.

Schedule 3 — Protecting Ontario from Urban Wildfires Act

Expert advisory committee and mandated planning

▾

The Minister must convene an Urban Wildfires Advisory Committee of scientists, fire professionals, municipal and Indigenous representatives to assess urban-wildfire risk and recommend prevention, suppression and recovery measures. The Committee reports within a year and the government must then craft plans and any necessary legislation or regulatory changes—spanning the Building Code, municipal emergency plans, firefighting capacity and inter-agency protocols.

Who Benefits and Who Bears the Cost

Every bill creates winners and losers. Here's who stands to gain and who bears the cost.

Who Benefits

  • Workers in heat-exposed jobs — receive statutory protections (engineering controls, paid cool-downs, training, employer-funded PPE) that convert guidance into enforceable rights and reduce heat-related illness risk.
  • Municipalities and at-risk communities — gain access to flood-risk maps, provincial funding streams and technical resources (Resource Centre) to plan cooling, flood mitigation and wildfire preparedness.
  • Adaptation project proponents and innovators — stand to access financing and incubation through the arm’s-length Ontario Climate Adaptation Fund and program support from the Resource Centre.
  • Public-health agencies and first responders — benefit from mandated data systems and clearer provincial coordination that should improve early warning, heat-mortality tracking and emergency response integration.
  • Farmers and the agriculture sector — receive targeted resilience supports (on-farm water storage, crop diversification, soil-health initiatives) aimed at reducing climate-driven production risk.

Who Bears the Cost

  • Employers with heat-exposed workers — face new compliance costs for engineering controls, PPE, assessments, mandatory paid breaks and approved training programs, plus potential enforcement penalties.
  • Provincial treasury — must supply funding for many listed measures and for the Fund, Resource Centre and expanded staffing required by the Secretariat; several provisions are explicitly conditional on appropriations.
  • Municipalities and conservation authorities — will need to invest staff time and possibly capital to produce or integrate flood maps, update official plans for heat islands and run local cooling and FireSmart programs, with uneven fiscal capacity across municipalities.
  • Critical-infrastructure operators and utilities — will face new disclosure and planning obligations that could require capital upgrades, enhanced asset-management procedures and potential regulatory scrutiny.
  • Fire management agencies and the forestry sector — face operational and policy shifts if the province adopts year-round wildland fire staffing models, modified reforestation rules and incentivized active forest management.

Key Issues

The Core Tension

The central dilemma is between urgency and capacity: the bill mandates statutory standards, funding vehicles and coordination mechanisms to protect workers and communities from accelerating climate risks, but many of its concrete measures either require new public spending or depend on administrative capacity and intergovernmental cooperation that are not guaranteed—so achieving the protections the bill promises will entail trade-offs between speed of implementation, the distribution of fiscal burden and local capacity to act.

The bill is heavy on institution-building and lists many detailed measures, but several important elements depend on funding decisions. The Act explicitly shelters a set of provisions behind appropriation clauses, so implementation of grants, some programs and the Fund’s activities will be contingent on the Legislature’s willingness to allocate money—creating the risk of uneven application across regions and sectors.

That conditionality also raises coordination challenges: ministries, municipalities and conservation authorities will have planning duties on timelines set in the Act while resources to fulfil those duties may lag.

Another tension concerns enforceability and capacity. The Worker Heat Protection Standard imposes workplace duties and a pay-protection rule that converts rest and training time into paid labor costs; enforcement will require inspectorate capacity, approved training providers and clear measurement standards (what counts as hazardous heat, how often to assess, how to audit compliance).

For built-environment measures—Building Code changes, municipal zoning and rental temperature limits—the Act pushes change into municipal land-use and private-property realms, which can trigger legal, fiscal and logistical pushback from property owners and developers. Finally, the Act creates many centralized data and coordination bodies, but success will hinge on data-sharing arrangements, Indigenous and municipal engagement in practice, and clarity about how provincial standards intersect with existing federal, municipal and sectoral rules.

There's more to this law than the bill.

Codify Laws traces every connection across the legislative lifecycle.

Bill↓Regulations↓Statute↓Proclamation↓In-Force Date
Try Codify Laws →