Young Adult Winners
| Year | Winning Title | Shortlist | Shortlist | Shortlist | |
|---|---|---|---|---|---|
| 2018 Winner |  | The Space Adventurer's Guide Peter McMahon with illustrator Josh Holinaty Kids Can Press | Trash Revolution Erica Fyvie with Illustrator Bill Slavin Kids Can Press | Wild Buildings and Bridges Etta Kaner with Illustrator Carl Wiens Kids Can Press | N/A |
| 2017 |  | Biometrics Maria Birmingham Owl Kids | Big Blue Forever Anita Miettunen Red Deer Press | Rewilding Jane Drake and Ann Love Annick Press | N/A |
| 2016 |  | 5 Giraffes Anne Innis Dagg Fitzhenry & Whiteside | Monster Science Helaine Becker and Phil McAndrew Kids Can Press | Inside Your Insides Claire Eamer Kids Can Press | N/A |
| 2015 |  | The Queen's Shadow Cybele Young Kids Can Press | What’s the Buzz? Keeping Bees in Flight Merrie-Ellen Wilcox Orca Book Publishers | Head Lice: The Disgusting Critters Series Elise Gravel Tundra Books | Foodprints: The Story of What We Eat Paula Ayer Annick Press |
| 2014 |  | Fuzzy Forensics L.E Carmichael Ashby-BP | Plesiosaur Peril (Tales of Prehistoric Life) Daniel Loxton Kids Can Press | Tastes Like Music: 17 Quirks of the Brain and Body Maria Birmingham Owl Kids | N/A |
| 2013 |  | Before the World Was Ready Claire Eamer Annick Press | Pterosaur Trouble Daniel Loxton and Jim W.W Smith Kids Can Press | Chitchat: Celebrating the World's Language Jude Isabella, Kathy Boake Kids Can Press | N/A |
| 2012 |  | Big Green Book of the Big Blue Sea Helaine Becker Kids Can Press | Canada Recycles Peter Cooke and Laura Suzuki Scholastic Canada | How to Raise Monarch Butterflies Carol Pasternak Firefly | N/A |
| 2011 |  | Nowhere Else on Earth Caitlyn Vernon Orca Book Publishers | What Does the Earth Sound Like? Eva Everything | Totally Human Cynthia Pratt Nicolson | N/A |
Adult Winners
| Year | Winning Title | Winning Title | Shortlist | Shortlist | Shortlist |
|---|---|---|---|---|---|
| 2018 Winner |  | 18 Miles Christopher Dewdney ECW Press | The Spinning Magnet Alanna Mitchell Penguin Random House | Conspiracy of Hope Renee Pellerin Goose Lane Editions | N/A |
| 2017 |  | Our Vanishing Glaciers Robert William Sandford Rocky Mountain Books | Firestorm Edward Struzik Island Press | Rise of the Necrofauna Britt Wray | N/A |
| 2016 |  | At Sea With the Marine Birds of the Raincoast Caroline Fox Rocky Mountain Books | North America in the Anthropocene Robert William Sandford Rocky Mountain Books | Bad Singer Tim Falconer House of Anansi | 100 Million Years of Food Stephen Le Harper Collins |
| 2015 |  | Malignant Metaphor Alanna Mitchell ECW Press | Once They Were Hats Frances Backhouse ECW Press | Dam Builders Michael Runtz Fitzhenry & Whiteside | Slick Water Fracking Andrew Nikiforuk Greystone Books and the Davide Suzuki Institute |
| 2014 |  | Your Water Footprint Stephen Leahy Firefly Books | Canadian Spacewalkers Bob McDonald Douglas and McIntyre | Planet Heart Dr. Francois Reeves Greystone Books | N/A |
| 2013 |  | The Peace-Athabasca Delta Kevin P. Timoney University of Alberta Press | Manitoba Butterflies Simone Hebert Allard Turnstone Press | The Oil Man and the Sea Arno Kopecky Douglas & McIntyre | N/A |
| 2012 |  | The Universe Within Neil Turok Anansi | Fatal Flaws Jay Ingram Harper Collins | Superbodies Greg Wells Harper Collins | N/A |
| 2011 |  | The Atlantic Coast Harry Thurston | Cascadia's Fault Jerry Thompson | Strange New Worlds Ray Jayawardhana | N/A |