Garth is a senior environmental scientist based in Palmerston North and has worked for Landcare Research since 1992. His career spans over 28 years in resource management, land resource assessment, national environmental databases, GIS applications, and indigenous research. Garth pioneered much of the Māori led research in Manaaki Whenua-Landcare Research Ltd., working on a wide range projects with Māori organisations and regional councils throughout New Zealand, particularly in the areas of land use planning, ecosystem health, bio-physical and cultural indicators, restoring indigenous landscapes, climate change, sustainable iwi/hapu resource development, building Māori research capability, collaborative learning, and indigenous Māori knowledge and values.
Major achievements and publications reflect an in-depth relationship and extensive networking during the last 29 years, work in at least 40 Māori research projects, and a large number of consultancies/working relationships/supply of information to staff in: iwi and hapu organisations; central and local government; non government organisations.