Menu Close

Sivajanani Sivarajah

Research Associate, Department of Architectural Science, Toronto Metropolitan University

Dr. Janani Sivarajah is an urban forestry, urban greening, and plant biology researcher, educator, and consultant. Her transdisciplinary research explores the environmental services of urban trees for human well-being, including UV protection and mediation of ultraviolet exposure by urban trees. Over the years, her research focus has broadened to find greening solutions to improve urban areas for people. She is a member of the Toronto Cancer Prevention Coalition, Shade Policy Steering Committee, President of the Ontario Urban Forest Council, member of the Ontario Professional Foresters Association, Research Associate at the Department of Architectural Science at Ryerson University, and Lecturer at the Graduate Department of Forestry at the University of Toronto.


  • 2020 
    Graduate Department of Forestry, University of Toronto, Doctor of Philosophy (Ph.D)
  • 2011 
    Graduate Department of Forestry, University of Toronto, Master of Forest Conservation


  • 2020
    Evaluating the ultraviolet protection factors of urban broadleaf and conifer trees in public spaces, Urban Forestry & Urban Greening
  • 2020
    Effects of earthworms and warming on tree seedling growth: A small-scale microcosm experiment, Canadian Journal of Forest Research
  • 2018
    Tree cover and species composition effects on academic performance of primary school students, PLOS ONE

Professional Memberships

  • Ontario Professional Foresters Association
  • Ontario Urban Forest Council