An expedition to Antarctica has brought scientists and researchers to the widest glacier on Earth. The Thwaites Glacier is nicknamed the "Doomsday Glacier" because of its potential impact on sea levels if ice continues to melt. Miles O'Brien reports on the work to drill into the ice to record temperatures and understand the impact of climate change. His story is part of our series, "Tipping Point." | PBS NewsHour

Search & Rescue // Helicopter Duty #2 // Expedition Antarctica Roblox

🐋 Embark on a thrilling Antarctic adventure! 🌊🎬 Join us for a breathtaking journey with the BBC's stunning new documentary, ‘Secrets of Antarctica’s Giants.’ 🐋✨ Discover the awe-inspiring world of our majestic whales. Thanks to years of support from Intrepid Travel, WWF and partner researchers are undertaking ground-breaking research uncovering astonishing secrets, revealing how climate change is impacting whales along their superhighways and the solutions we need to save them.Check it out o