Downtown snowfall has been steadily decreasing by 0.26 millimetres per year since 1849. SHANNA HUNTER/THE VARSITY   September 13, 2020 By Nicole Szabo   Winters in Toronto have been growing warmer and less snowy over the years. University of Toronto researchers Dr. Micah Hewer and Professor William Gough have confirmed your suspicions by analyzing precipitation… Read More


Shannon Allen has successfully defended her departmental defence on July 9th and PhD final defence on September 3, 2020. Congratulation, Shannon!   Here is the information for her dissertation: Trends in the Frequency of Extreme Temperatures for Canadian Urban Centres from 1971 to 2000 Extreme temperature trends for Canadian urban centres during the latter portion… Read More


Two new papers that Karen has been a part of were published online this summer. The first paper is authored and co-authored by two former DPES MEnvSc students, and the second is authored by one of her long-time collaborators at the Lamont-Doherty Earth Observatory.  “Impact of Stratospheric Ozone Extremes on Arctic High Cloud”, Maleska, Smith… Read More


We had a regular CL@UT meeting virtually on Friday, July 10, 2020. Vidya Anderson, PhD, presented her latest work with Bill entitled “Evaluating the potential of nature-based solutions to reduce ozone, nitrogen dioxide, and carbon dioxide through a multi-type green infrastructure study in Ontario, Canada”. This research article is submitted to a journal and currently under… Read More


Congratulations to Ana Zaknic-Catovic whose DPES Departmental Defence was successfully approved by the PhD departmental defence committee on July 6, 2020. Here is the information for her dissertation:   Her PhD thesis title: Theoretical Considerations of High-Frequency Air Temperature Variations and its Application to the Identification of Physical Heterogeneities in Canadian Temperature Time Series. Theoretical considerations… Read More


Ana presented the following her work at the 100th Annual Meeting of American Meteorological Society, Boston, MA on January 15, 2020: Identification of Physical Heterogeneities in High-Frequency Air Temperature Records paper at the 33rd Conference of Climate Variability and Change at the 100th Annual Meeting of American Meteorological Society, Boston, MA. A Modified Degree-Day Method… Read More


We had the first CL@UT Alumni night! It was great to see our alumni and current members and talking about their research and others. We hope that this event will be our annual get-together function.          … Read More


  January 20, 2019 By Don Campbell The substances responsible for creating a massive hole in the Earth’s ozone layer may account for nearly half of Arctic warming over a 50-year period, according to a new study by researchers at the University of Toronto. The research, published in Nature Climate Change, highlights how ozone-depleting substances (ODS) are… Read More