Guy Dwyer

Guy Dwyer

Baker & McKenzie


Guy Dwyer is a senior associate in Baker McKenzie's Sydney office, practising primarily in environmental, planning and climate change law.

He is valued for his ability to effectively identify the key environmental and planning law issues arising from a client's proposed course of action. Guy draws on his deep knowledge and experience in environment and planning matters to clearly and efficiently communicate advice in a manner that suits the needs of the client.

Practice Focus

Guy has significant experience in advising clients on various aspects of environmental law, particularly in the context of major projects and developments worth millions of dollars. Aspects of environmental law he has previously advised clients on include planning, biodiversity, Aboriginal cultural heritage, pollution, contaminated land, environmental due diligence, waste, water and climate change. He has previously advised and acted for clients on environmental and planning law matters in various sectors, particularly the mining, resources and commercial development sectors.

Prior to joining Baker McKenzie, Guy worked as a senior associate in a leading environmental and planning law practice of an international law firm in Sydney. He was previously an Associate to the Honourable Justice Preston, Chief Judge of the NSW Land and Environment Court, and has previously lectured or tutored in various law subjects at Macquarie Law School.

Representative Legal Matters

  • Advising an international think tank in relation to assessing the legal frameworks of different jurisdictions throughout the world in terms of readiness for regulating carbon capture and storage activities and projects
  • Advising a Local Aboriginal Land Council on various matters relating to environmental, planning and Aboriginal cultural heritage law
  • Advising an international renewable energy company on environmental and planning matters relating to refinancing of its Australian solar farm assets 
  • Advising a leading mineral sands mining company on environmental, planning and mining law obligations associated with its operation of projects in NSW
  • Advised major waste and beverage product companies on the container deposit schemes located throughout various Australian jurisdictions
  • Advised a major provider of online marketplace services for arranging or offering short-term holiday rentals on the town planning laws regulating such activities in various Australian jurisdictions
  • Advised a SOM contractor on environmental and planning issues associated with a major light rail project being developed in Western Sydney
  • Advised the United Wambo joint venture on the environmental assessment and approvals process for the now approved United Wambo Open Cut Coal Project in the NSW Hunter Valley, including being the primary author of a detailed submission to the NSW Independent Planning Commission on legal issues concerning climate change and greenhouse gas emissions
  • Acted for Blackstone and certain management shareholders on the sale of 100% of the shares in the Ixom Group (which is amongst the leading industrial infrastructure businesses in Australia and New Zealand, supplying and distributing water treatment, industrial and specialty chemicals), advising on all environmental due diligence and liability matters
  • Regularly advised two of Australia's largest gold mining companies on various environmental and planning law matters, including approval pathways for development proposals, compliance and environmental regulator interactions, and voluntary planning agreements
  • Acted for MACH Energy Australia Pty Ltd in successfully defending civil enforcement proceedings brought against it concerning "physical commencement" of its Mt Pleasant Coal Project in the NSW Hunter Valley (the proceedings were brought by a non-government organisation opposed to the development of the coal mine)
  • Acted for one of Australia's largest gaming and entertainment groups in successfully defending a judicial review challenge brought by a non-government organisation to a large State significant hotel development located at Barangaroo in Sydney's CBD
  • Advised Crystalbrook Collection on planning law matters associated with its AUD 41 million acquisition of the Byron at Byron Resort and Spa

Professional Honors

  • Finalist (Planning and Environmental Law), Lawyers Weekly 30 Under 30 Awards (2018)

Professional Associations and Memberships

  • Environmental and Planning Law Association of New South Wales - Member
  • Centre for Environmental Law, Macquarie University - Associate


  • High Court of Australia (2015)
  • Federal Court of Australia~Australia (2015)
  • New South Wales~Australia (2015)


  • University of New South Wales (LLM with Excellence) (2018)
  • Macquarie University (BSc. LL.B. Hons I) (2013)


  • English
  • Author, "Regulation of greenhouse gas emissions generated by major projects: Scoping out the roles of the Commonwealth and State/Territory Governments" (2020) 37(5) Environmental and Planning Law Journal (forthcoming, September 2020) 
  • Co-author, "Do the Conventions on the Law of the Sea and Biological Diversity adequately protect marine biota from anthropogenic underwater noise pollution?" (2020) 23(1) Asia Pacific Journal of Environmental Law 6
  • Co-author, "Australia" in The Environment and Climate Change Law Review (Law Business Research Ltd, 4th ed, 2020) 
  • Co-author, "Full steam ahead: Recent developments concerning Australia's new legal regime for regulating underwater cultural heritage" (2019) 33(2) Australian and New Zealand Maritime Law Journal 12
  • Author, "Ship shape or all at sea?  A preliminary assessment of Australia's recent legislative reforms concerning underwater cultural heritage" (2018) 32(2) Australian and New Zealand Maritime Law Journal 71