As spring walrus hunting season gets underway, residents of St. Lawrence Island talk about sea ice changes and how they affect the village.

The annual ice melt in Canada's North is occurring earlier and earlier, and some researchers say that and other climate-related changes are affecting the mental health of populations in Inuit communities. CBC's Sabrina Fabian reports from Rigolet, Labrador.

Salvavidas, pescadores y funcionarios de gobierno dicen que nunca se había presentado este fenómeno en esta zona.

Shawn Steward of Oxnard, Calif., had a once-in-a-lifetime catch last week in the Channel Islands. Steward caught a 90-pound opah, which is very rare to this area.

Rising temperatures have boosted the growth rates of seasonal moss on the southern continent over the last 50 years.

The habitat overlap of polar bears and their main prey, ringed seals, is disappearing and the bears are instead getting closer to nesting birds.