Who We Are
Onterris is a global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect.
Sectors
Access deep environmental expertise tailored to your industry, with solutions built for real-world conditions.
Solutions
Prepare for escalating environmental risks with expert solutions designed to perform under pressure.
Our Thinking
Explore briefs, perspectives and articles that turn insight into action. Discover thought leadership that informs decisions and drives impact. See the ideas shaping environmental solutions and guiding your next move.
Cuture & Careers
Where brilliant people come together to turn environmental science into real-world progress for communities, industry and the planet.

Mining & Minerals

Why Water is the Critical Path for Critical Minerals

How early water planning can help critical minerals projects advance responsibly, build resilience and earn lasting support

The Industrial Wastewater Paradigm Shift: From Treatment to Resource Recovery

Why forward-thinking industries are transforming wastewater from a compliance cost into a strategic source of water, energy and valuable materials

“Just-in-Time” Compliance: The Hidden Risk Building in Legacy Environmental Programs

Teams in asset-intensive industries now need to recognize indicators of operational risk long before compliance brings them into view

The Legal Case for Early Environmental Expertise

For companies in high-impact industries, bringing external environmental and legal insight into their decision-making early can strengthen cross-functional coordination and turn environmental performance into a strategic advantage
Article

How High-Impact Industry Leaders Are Building Value from Environmental Performance

For companies in high-impact sectors, environmental performance is no longer just about doing less harm, it’s also about building value

EPA’s Coal Ash Proposal Creates a New Decision Point for Utilities

The U.S. Environmental Protection Agency (EPA)’s proposed rule could give power generators more room to make site-specific closure decisions. The opportunity is real, but only for utilities that can support their position with clear data, sound judgment and a defensible record.

Pioneering Sustainable Energy Transition, Protecting Wildlife: Saint Elmo Vanadium Mining Project

Sustainable mining advanced through integrated approvals, community stewardship and innovative Julia Creek Dunnart research

Advancing Brownfield Approvals to Restart Responsible Gold Production

Early regulator alignment and a coordinated approvals strategy cleared a practical pathway to restart operations and modernize closure planning on a legacy site

Optimizing Environmental Constraints Mapping for Renewable Energy Projects

Keep renewable project approvals and budgets on track with a well-informed understanding of site mapping constraints

Critical Minerals, Strategic Alliances and the Race to Build Responsible Supply Chains

U.S., Canadian and Australian collaboration will determine how fast essential materials reach global markets