Liane Langstaff
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Liane Langstaff

Lawyer, Gowling WLG

Liane Langstaff is a lawyer in Gowling WLG’s Toronto office, practising in the areas of environmental law, land use planning law and Indigenous law.

Liane has a diverse practice, serving municipalities and businesses on a range of environmental matters, including:

  • Guiding businesses on how to comply with regulations concerning climate change, chemicals, waste management and product stewardship;
  • Navigating federal and provincial environmental assessments;
  • Representing clients in contaminated lands litigation, regulatory investigations and enforcement proceedings; and
  • Advising clients on land-use planning, zoning and cultural heritage conservation matters.

Liane frequently acts on cutting-edge environmental issues. For example, she represented the Canadian Public Health Association in its intervention in the Greenhouse Gas Pollution Pricing Act constitutional cases before the Courts of Appeal of Saskatchewan and Ontario.

As an Environmental Sciences, Law and MBA graduate, Liane uses her technical expertise, legal skills and business acumen to advise her clients. As a result of her former role as a law clerk at the Court of Appeal for Ontario, she leverages an intimate knowledge of the courts to represent her clients in complex litigation proceedings before courts and tribunals.

Liane is committed to giving back to her community through environmental education. As part of the Board of EcoSpark, she endeavours to connect youth and their communities to their natural environment through citizen science. She is also active in training the next generation of environmental professionals, having delivered guest lectures at Osgoode Hall Law School (York University), Bora Laskin Faculty of Law (Lakehead University) and the University of Waterloo’s School of Planning.

As part of the Climate Change Lawyers Network, she has brought lawyers and other professionals together to better understand the current developments in climate change law and policy. She writes extensively in the areas of environmental law and climate change law.