As enthusiasm for zero-emission technologies accelerates into the mainstream, Canada has lost one of its earliest and most ardent champions of critical minerals. Donald Stephen Bubar, founder and longtime president of Avalon Advanced Materials passed away on July 30 at the age of 68. The mining veteran, who worked as a field geologist and with several base and precious metals projects, recognized years before most others the importance of critical minerals for the future economy. And in his decades of involvement with the Prospectors and Developers Association of Canada (PDAC), advocated for greater and earlier engagement with Indigenous communities.
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