Conservationists worry about destruction of B.C.'s rare glass sponge reefs - CBC.ca

Glen Dennison was writing a book on diving in B.C.'s Howe Sound in 1984 when he made a discovery of massive glass sponge reefs, which look like something from another world.

Glen Dennison worries every time he heads out on the waters in Howe Sound outside of West Vancouver. That's because he's concerned about the health of the prehistoric creatures he found nearby. "I d… [+6297 chars]

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