Backgrounders

Materials to provide context, establish facts, and aid understanding.

Letter in support of the proposed increase of a 1,000m approach distance for Southern Resident killer whales

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The Government of Canada is seeking public feedback on proposed amendments to the Marine Mammal Regulations that would strengthen protections for endangered Southern Resident killer whales.  The following is the formal submission by Raincoast. Letter: March 19, 2026 To: Marine Mammal Regulations inbox dfo [dot] ncrfmmmrconsultation-consultationrmmgprcn [dot] mpo [at] dfo-mpo [dot] gc [dot] ca. Heather…

How to measure a tree

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Measuring height, diameter, and crown spread of a big tree can present many challenges. Here’s a few tips and tricks to help you out.

A killer future

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By restoring Chinook salmon, reducing underwater noise, and stopping pollution there is still time to protect these iconic animals for generations to come.