"A game-changer for weather forecasts." That's what the National Oceanic and Atmospheric Administration and NASA are calling the just-launched GOES-S satellite. It is the second in a pair of the most advanced weather satellites ever built. Faith Lapidus reports.
Temperatures in the Arctic in recent days have surged above the freezing point, leading to renewed fears that climate change is affecting the planet's atmosphere and causing sea ice to melt at a faster rate than predicted. The Arctic is warming twice as fast as the global average, scientists say, but at the same time much of Europe is experiencing a severe cold spell. Some scientists believe the two events are linked, as Henry Ridgwell reports from London.