A Russian spacecraft suffered a major coolant leak while docked to the International Space Station, which was discovered only moments before two crewmembers were supposed to take a spacewalk. What Russian officials think caused the leak, and what NASA is doing to get the astronauts stranded on the ISS back to Earth. Millions of people in Ontario and Quebec are bracing for a multi-day blizzard, as the Atlantic provinces finish fighting through the worst of this winter wallop. The questions surrounding the quantity of critical resources needed to tackle the icy conditions, and a weather forecast of eastern Canada for the days ahead. Tens of thousands of nurses in the U.K. walked off the job for 12 hours on Thursday, their first ever national walkout in more than 100 years. The burnout nurses are feeling from the stress of the pandemic, and the bitter pay dispute between with the British government that has no end in sight. Plus, climate change continues to threaten a vast number of plant and animal species, and it is leading to global food supply being disrupted while driving up food prices. How preserving the planet's biodiversity can keep your fridge full, as the COP15 summit in Montreal enters its final days of negotiations.