They are brightly coloured, beautiful and hungry — tropical fish and sea urchins are thriving in southern waters warmed by climate change. But now they are devastating kelp forests already knocked around by marine heatwaves.   

CBC reporter Kaitie Fraser spotted this strange jelly-like substance in her aunt's backyard, growing on a cedar tree. In fact, her aunt said, when she first saw it, it looked like orange flowers at a distance. But when she started to approach it, it looked more like clumps of gummy bears.

The birch leafminer ate its way through birches across Southcentral and Interior Alaska this summer. Hot and dry weather earlier in summer may have been optimal for them.