Diana Caroline Weir

Diana specializes in environmental law, offering legal and strategic advice on environmental matters related to Ontario, federal and municipal legislation.

Her practice includes obtaining environmental permits and authorizations, ensuring environmental compliance and acting as counsel on environmental aspects of business, such as due diligence in mergers and acquisitions.

Diana also has notable experience in litigation, defending clients charged with environmental and regulatory offences and conducting appeals of remediation orders. She frequently represents clients in environmental litigation claims before Ontario courts.

Ontario aims to overhaul regulatory requirements for critical infrastructure and mining projects under Bill 5

Speaker, “Climate Change Planning, Adaptation and Disclosure," Canadian Bar Association Environmental, Energy and Resources Law Summit, May 4, 2023

Co-Chair, Ontario Legal Conference, Municipal, Planning and Environmental Law, February 8-9, 2024