The Arboretum is hosting its annual plant sale, featuring a wide variety of trees, shrubs and perennials. All plants are grown and cared for by Arboretum Auxiliary members in the Arboretum's nursery and greenhouse. All sale proceeds help with the ongoing maintenance and development of the Arboretum.

The College of Arts, the College of Biological Science and the Eden Mills Writers' Festival present a talk by Naomi Klein, titled "This Changes Everything: Capitalism vs. the Climate." General admission is $10, or $5 for students with ID. Advance tickets are available at The Bookshelf and EMWFtix.ca.

Prof. Barry Smit, Department of Geography, presents "Climate Change is an Unnatural Disaster: Politics and Power, Livelihood and Lives." This event is sponsored by Initiatives in Global Justice. A light lunch will be served. Location: MacKinnon Building, Room 317

New-York based global music ensemble Banda Magda brings their vibrant songs and stories to the University of Guelph. South American rhythm creates the pulse of this energizing group of friends who sing in five different languages in a mix of colour and sound. Admission is free but donations are gratefully appreciated. Everyone is welcome. Location:

Landscape architecture (LA) graduates and their families are invited to a weekend celebration of 50 years of landscape architecture at the University of Guelph.

The Guelph Gryphons will face rival McMaster Marauders on Sept. 19, 1 p.m., at Alumni Stadium in the annual University of Guelph Homecoming Game. The traditional alumni football game, the Glory Bowl, will take place at 10 a.m. For the Gryphons’ match against McMaster, stadium gates will open at 11 a.m. The event will include

Des Gasper will give a talk on "Impacts on Health and Mortality of Climate Change and the Ethical Implications." He is a professor of human development, development ethics and public policy at the International Institute of Social Studies in The Hague. Location: MacKinnon Building, Room 230

The Professional Staff Association (PSA) lunch for all professional and managerial group employees will feature PSA updates and new benefits for members. Lunch will be provided. Location: University Centre, Peter Clark Hall (basement)

All proceeds from the sale of food and beverages at the United Way campaign's kick-off barbecue will go to the United Way. President Franco Vaccarino will announce U of G’s 2015 United Way fundraising goal in Branion Plaza at noon. The barbecue runs from 11:30 a.m. to 1:30 p.m.

Lynn Kuo and Jason Nett perform "STRUNG: Modern Works for Violin and Guitar." The contemporary program blends classical music, blues and rock and roll. Admission is free and everyone is welcome. Location: MacKinnon Building, Room 107

International Development Studies (IDS) presents a talk by IDS professors Cate Dewey and Sally Humphries and PhD candidate Matthew Little, titled "Nutrition, Chronic Disease and Shifting Livelihoods: Lessons from Rural India." Everyone is welcome. Location: Richards Building, Room 2529

The Central Student Association (CSA) and the Graduate Students’ Association (GSA) is holding a special Student Memorial Tree Dedication Friday, Sept. 25, in honour of five U of G students who passed away during the last academic year. The ceremony will be held at 4 p.m. at the Arboretum Centre. A Katsura tree located in

To attend the Scottish Studies Fall Colloquium, the registration fee is $30 for members of the Scottish Studies Foundation and for early-bird registrants on or before Sept. 18. The fee increases to $35 after that date. The student rate is $10. Lunch and coffee breaks are included. Location: McLaughlin Library, Robert Whitelaw Room (246)